Home / 22,739.12-34,160.52-21,806

Finding the Fourth Proportional to 22,739.12, 34,160.52 and 21,806

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Solution

The fourth proportional to 22,739.12, 34,160.52 and 21,806 is: 32,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,739.12 : 34,160.52 = 21,806 : x
  2. Step 2: Convert to fraction form
    22,739.12/34,160.52 = 21,806/x
  3. Step 3: Cross multiply
    22,739.12x = 34,160.52 × 21,806
  4. Step 4: Simplify right side
    22,739.12x = 744,904,299.12
  5. Step 5: Solve for x
    x = 744,904,299.12/22,739.12
  6. Step 6: Final answer
    x = 32,758.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.