Home / 28,402.25-39,195.24-16,472.66

Finding the Fourth Proportional to 28,402.25, 39,195.24 and 16,472.66

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Solution

The fourth proportional to 28,402.25, 39,195.24 and 16,472.66 is: 22,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402.25 : 39,195.24 = 16,472.66 : x
  2. Step 2: Convert to fraction form
    28,402.25/39,195.24 = 16,472.66/x
  3. Step 3: Cross multiply
    28,402.25x = 39,195.24 × 16,472.66
  4. Step 4: Simplify right side
    28,402.25x = 645,649,862.14
  5. Step 5: Solve for x
    x = 645,649,862.14/28,402.25
  6. Step 6: Final answer
    x = 22,732.35

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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.