Home / 28,532.52-39,394.17-17,781.66

Finding the Fourth Proportional to 28,532.52, 39,394.17 and 17,781.66

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Solution

The fourth proportional to 28,532.52, 39,394.17 and 17,781.66 is: 24,550.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.52 : 39,394.17 = 17,781.66 : x
  2. Step 2: Convert to fraction form
    28,532.52/39,394.17 = 17,781.66/x
  3. Step 3: Cross multiply
    28,532.52x = 39,394.17 × 17,781.66
  4. Step 4: Simplify right side
    28,532.52x = 700,493,736.92
  5. Step 5: Solve for x
    x = 700,493,736.92/28,532.52
  6. Step 6: Final answer
    x = 24,550.71

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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.