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Finding the Fourth Proportional to 27,886.59, 38,472.54 and 15,943.52

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Solution

The fourth proportional to 27,886.59, 38,472.54 and 15,943.52 is: 21,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.59 : 38,472.54 = 15,943.52 : x
  2. Step 2: Convert to fraction form
    27,886.59/38,472.54 = 15,943.52/x
  3. Step 3: Cross multiply
    27,886.59x = 38,472.54 × 15,943.52
  4. Step 4: Simplify right side
    27,886.59x = 613,387,518.58
  5. Step 5: Solve for x
    x = 613,387,518.58/27,886.59
  6. Step 6: Final answer
    x = 21,995.79

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