Answer:
4 and 32
Explanation:
We are given paired values for two variables x and y and we are to fill in the missing values such that they are in a proportional relationship.
For x, we have the following paired values:

So from the given options, 4 fits the best here which is greater than 3 and lesser than 5.
And for y, we have:

Here, 32 fits the best from all the options as it is the next (available) number after 20.