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Finding the Fourth Proportional to 25,309.71, 37,968.20 and 7,781.01

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Solution

The fourth proportional to 25,309.71, 37,968.20 and 7,781.01 is: 11,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.71 : 37,968.20 = 7,781.01 : x
  2. Step 2: Convert to fraction form
    25,309.71/37,968.20 = 7,781.01/x
  3. Step 3: Cross multiply
    25,309.71x = 37,968.20 × 7,781.01
  4. Step 4: Simplify right side
    25,309.71x = 295,430,904.98
  5. Step 5: Solve for x
    x = 295,430,904.98/25,309.71
  6. Step 6: Final answer
    x = 11,672.63

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