40,000
Half 32 to 16, and double 1250 to 2500. Then, half 16 again to 8, and double 2500 again to 5000. Then, half 8 again to 4, and double 5000 again to 10000.Then, 32(1250) = 16(2500) = 8(5000) = 4(10000) = 40000.