Home / 20,744.15-28,627.22-11,791.85

Finding the Fourth Proportional to 20,744.15, 28,627.22 and 11,791.85

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Solution

The fourth proportional to 20,744.15, 28,627.22 and 11,791.85 is: 16,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.15 : 28,627.22 = 11,791.85 : x
  2. Step 2: Convert to fraction form
    20,744.15/28,627.22 = 11,791.85/x
  3. Step 3: Cross multiply
    20,744.15x = 28,627.22 × 11,791.85
  4. Step 4: Simplify right side
    20,744.15x = 337,567,770.50
  5. Step 5: Solve for x
    x = 337,567,770.50/20,744.15
  6. Step 6: Final answer
    x = 16,272.92

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1.5x scale

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.