Home / 28,442.06-39,251.97-16,505.39

Finding the Fourth Proportional to 28,442.06, 39,251.97 and 16,505.39

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Solution

The fourth proportional to 28,442.06, 39,251.97 and 16,505.39 is: 22,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442.06 : 39,251.97 = 16,505.39 : x
  2. Step 2: Convert to fraction form
    28,442.06/39,251.97 = 16,505.39/x
  3. Step 3: Cross multiply
    28,442.06x = 39,251.97 × 16,505.39
  4. Step 4: Simplify right side
    28,442.06x = 647,868,876.86
  5. Step 5: Solve for x
    x = 647,868,876.86/28,442.06
  6. Step 6: Final answer
    x = 22,778.55

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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.