Home / 22,215.92-30,646.44-15,046.04

Finding the Fourth Proportional to 22,215.92, 30,646.44 and 15,046.04

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Solution

The fourth proportional to 22,215.92, 30,646.44 and 15,046.04 is: 20,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,215.92 : 30,646.44 = 15,046.04 : x
  2. Step 2: Convert to fraction form
    22,215.92/30,646.44 = 15,046.04/x
  3. Step 3: Cross multiply
    22,215.92x = 30,646.44 × 15,046.04
  4. Step 4: Simplify right side
    22,215.92x = 461,107,562.10
  5. Step 5: Solve for x
    x = 461,107,562.10/22,215.92
  6. Step 6: Final answer
    x = 20,755.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.