Home / 28,679.01-39,591.42-17,929.85

Finding the Fourth Proportional to 28,679.01, 39,591.42 and 17,929.85

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Solution

The fourth proportional to 28,679.01, 39,591.42 and 17,929.85 is: 24,752.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679.01 : 39,591.42 = 17,929.85 : x
  2. Step 2: Convert to fraction form
    28,679.01/39,591.42 = 17,929.85/x
  3. Step 3: Cross multiply
    28,679.01x = 39,591.42 × 17,929.85
  4. Step 4: Simplify right side
    28,679.01x = 709,868,221.89
  5. Step 5: Solve for x
    x = 709,868,221.89/28,679.01
  6. Step 6: Final answer
    x = 24,752.19

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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.