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Finding the Fourth Proportional to 18,093.92, 24,990.12 and 15,285.04

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Solution

The fourth proportional to 18,093.92, 24,990.12 and 15,285.04 is: 21,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.92 : 24,990.12 = 15,285.04 : x
  2. Step 2: Convert to fraction form
    18,093.92/24,990.12 = 15,285.04/x
  3. Step 3: Cross multiply
    18,093.92x = 24,990.12 × 15,285.04
  4. Step 4: Simplify right side
    18,093.92x = 381,974,983.80
  5. Step 5: Solve for x
    x = 381,974,983.80/18,093.92
  6. Step 6: Final answer
    x = 21,110.68

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