The two triangles are similar, given by the arcs showing for similar angles.
Set up a ratio for the similar sides:
60/25 = x/40
Cross multiply:
(60 x 40) = (25 x x)
Simplify:
2400 = 25x
Divide both sides by 25"
x = 2400/25
x = 96
The answer is 96 yards.