Home / 28,385.62-39,169.17-16,452.70

Finding the Fourth Proportional to 28,385.62, 39,169.17 and 16,452.70

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Solution

The fourth proportional to 28,385.62, 39,169.17 and 16,452.70 is: 22,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,385.62 : 39,169.17 = 16,452.70 : x
  2. Step 2: Convert to fraction form
    28,385.62/39,169.17 = 16,452.70/x
  3. Step 3: Cross multiply
    28,385.62x = 39,169.17 × 16,452.70
  4. Step 4: Simplify right side
    28,385.62x = 644,438,603.26
  5. Step 5: Solve for x
    x = 644,438,603.26/28,385.62
  6. Step 6: Final answer
    x = 22,703.00

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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.