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Finding the Fourth Proportional to 25,468.56, 38,212.92 and 9,890.64

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Solution

The fourth proportional to 25,468.56, 38,212.92 and 9,890.64 is: 14,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,468.56 : 38,212.92 = 9,890.64 : x
  2. Step 2: Convert to fraction form
    25,468.56/38,212.92 = 9,890.64/x
  3. Step 3: Cross multiply
    25,468.56x = 38,212.92 × 9,890.64
  4. Step 4: Simplify right side
    25,468.56x = 377,950,235.07
  5. Step 5: Solve for x
    x = 377,950,235.07/25,468.56
  6. Step 6: Final answer
    x = 14,839.87

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