Home / 20,377.26-30,574.68-11,023.89

Finding the Fourth Proportional to 20,377.26, 30,574.68 and 11,023.89

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Solution

The fourth proportional to 20,377.26, 30,574.68 and 11,023.89 is: 16,540.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.26 : 30,574.68 = 11,023.89 : x
  2. Step 2: Convert to fraction form
    20,377.26/30,574.68 = 11,023.89/x
  3. Step 3: Cross multiply
    20,377.26x = 30,574.68 × 11,023.89
  4. Step 4: Simplify right side
    20,377.26x = 337,051,909.11
  5. Step 5: Solve for x
    x = 337,051,909.11/20,377.26
  6. Step 6: Final answer
    x = 16,540.59

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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.