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Finding the Fourth Proportional to 25,885.92, 38,827.49 and 8,355.75

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Solution

The fourth proportional to 25,885.92, 38,827.49 and 8,355.75 is: 12,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.92 : 38,827.49 = 8,355.75 : x
  2. Step 2: Convert to fraction form
    25,885.92/38,827.49 = 8,355.75/x
  3. Step 3: Cross multiply
    25,885.92x = 38,827.49 × 8,355.75
  4. Step 4: Simplify right side
    25,885.92x = 324,432,757.79
  5. Step 5: Solve for x
    x = 324,432,757.79/25,885.92
  6. Step 6: Final answer
    x = 12,533.17

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