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Finding the Fourth Proportional to 25,355.28, 38,042.64 and 17,866.02

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Solution

The fourth proportional to 25,355.28, 38,042.64 and 17,866.02 is: 26,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.28 : 38,042.64 = 17,866.02 : x
  2. Step 2: Convert to fraction form
    25,355.28/38,042.64 = 17,866.02/x
  3. Step 3: Cross multiply
    25,355.28x = 38,042.64 × 17,866.02
  4. Step 4: Simplify right side
    25,355.28x = 679,670,567.09
  5. Step 5: Solve for x
    x = 679,670,567.09/25,355.28
  6. Step 6: Final answer
    x = 26,805.88

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