Home / 28,729.97-39,634.97-16,458.85

Finding the Fourth Proportional to 28,729.97, 39,634.97 and 16,458.85

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Solution

The fourth proportional to 28,729.97, 39,634.97 and 16,458.85 is: 22,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.97 : 39,634.97 = 16,458.85 : x
  2. Step 2: Convert to fraction form
    28,729.97/39,634.97 = 16,458.85/x
  3. Step 3: Cross multiply
    28,729.97x = 39,634.97 × 16,458.85
  4. Step 4: Simplify right side
    28,729.97x = 652,345,862.87
  5. Step 5: Solve for x
    x = 652,345,862.87/28,729.97
  6. Step 6: Final answer
    x = 22,706.11

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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.