Home / 22,985.92-31,732.68-15,471.76

Finding the Fourth Proportional to 22,985.92, 31,732.68 and 15,471.76

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Solution

The fourth proportional to 22,985.92, 31,732.68 and 15,471.76 is: 21,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985.92 : 31,732.68 = 15,471.76 : x
  2. Step 2: Convert to fraction form
    22,985.92/31,732.68 = 15,471.76/x
  3. Step 3: Cross multiply
    22,985.92x = 31,732.68 × 15,471.76
  4. Step 4: Simplify right side
    22,985.92x = 490,960,409.12
  5. Step 5: Solve for x
    x = 490,960,409.12/22,985.92
  6. Step 6: Final answer
    x = 21,359.18

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