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Finding the Fourth Proportional to 55,425.97, 83,120.05 and 15,972.49

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Solution

The fourth proportional to 55,425.97, 83,120.05 and 15,972.49 is: 23,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.97 : 83,120.05 = 15,972.49 : x
  2. Step 2: Convert to fraction form
    55,425.97/83,120.05 = 15,972.49/x
  3. Step 3: Cross multiply
    55,425.97x = 83,120.05 × 15,972.49
  4. Step 4: Simplify right side
    55,425.97x = 1,327,634,167.42
  5. Step 5: Solve for x
    x = 1,327,634,167.42/55,425.97
  6. Step 6: Final answer
    x = 23,953.29

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