Home / 28,549.60-39,398.24-16,445.66

Finding the Fourth Proportional to 28,549.60, 39,398.24 and 16,445.66

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Solution

The fourth proportional to 28,549.60, 39,398.24 and 16,445.66 is: 22,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549.60 : 39,398.24 = 16,445.66 : x
  2. Step 2: Convert to fraction form
    28,549.60/39,398.24 = 16,445.66/x
  3. Step 3: Cross multiply
    28,549.60x = 39,398.24 × 16,445.66
  4. Step 4: Simplify right side
    28,549.60x = 647,930,117.02
  5. Step 5: Solve for x
    x = 647,930,117.02/28,549.60
  6. Step 6: Final answer
    x = 22,694.90

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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.