Home / 28,757.48-43,105.50-20,524.52

Finding the Fourth Proportional to 28,757.48, 43,105.50 and 20,524.52

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Solution

The fourth proportional to 28,757.48, 43,105.50 and 20,524.52 is: 30,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.48 : 43,105.50 = 20,524.52 : x
  2. Step 2: Convert to fraction form
    28,757.48/43,105.50 = 20,524.52/x
  3. Step 3: Cross multiply
    28,757.48x = 43,105.50 × 20,524.52
  4. Step 4: Simplify right side
    28,757.48x = 884,719,696.86
  5. Step 5: Solve for x
    x = 884,719,696.86/28,757.48
  6. Step 6: Final answer
    x = 30,764.85

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1.5x scale

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.