Home / 28,414.33-39,207.31-16,475.20

Finding the Fourth Proportional to 28,414.33, 39,207.31 and 16,475.20

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Solution

The fourth proportional to 28,414.33, 39,207.31 and 16,475.20 is: 22,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.33 : 39,207.31 = 16,475.20 : x
  2. Step 2: Convert to fraction form
    28,414.33/39,207.31 = 16,475.20/x
  3. Step 3: Cross multiply
    28,414.33x = 39,207.31 × 16,475.20
  4. Step 4: Simplify right side
    28,414.33x = 645,948,273.71
  5. Step 5: Solve for x
    x = 645,948,273.71/28,414.33
  6. Step 6: Final answer
    x = 22,733.19

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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.