Home / 28,934.67-39,937.14-16,366.71

Finding the Fourth Proportional to 28,934.67, 39,937.14 and 16,366.71

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Solution

The fourth proportional to 28,934.67, 39,937.14 and 16,366.71 is: 22,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.67 : 39,937.14 = 16,366.71 : x
  2. Step 2: Convert to fraction form
    28,934.67/39,937.14 = 16,366.71/x
  3. Step 3: Cross multiply
    28,934.67x = 39,937.14 × 16,366.71
  4. Step 4: Simplify right side
    28,934.67x = 653,639,588.61
  5. Step 5: Solve for x
    x = 653,639,588.61/28,934.67
  6. Step 6: Final answer
    x = 22,590.19

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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.