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Finding the Fourth Proportional to 17,257.47, 25,854.90 and 7,905.31

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Solution

The fourth proportional to 17,257.47, 25,854.90 and 7,905.31 is: 11,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,257.47 : 25,854.90 = 7,905.31 : x
  2. Step 2: Convert to fraction form
    17,257.47/25,854.90 = 7,905.31/x
  3. Step 3: Cross multiply
    17,257.47x = 25,854.90 × 7,905.31
  4. Step 4: Simplify right side
    17,257.47x = 204,390,999.52
  5. Step 5: Solve for x
    x = 204,390,999.52/17,257.47
  6. Step 6: Final answer
    x = 11,843.62

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