Home / 28,625.45-39,503.16-16,691.09

Finding the Fourth Proportional to 28,625.45, 39,503.16 and 16,691.09

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Solution

The fourth proportional to 28,625.45, 39,503.16 and 16,691.09 is: 23,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,625.45 : 39,503.16 = 16,691.09 : x
  2. Step 2: Convert to fraction form
    28,625.45/39,503.16 = 16,691.09/x
  3. Step 3: Cross multiply
    28,625.45x = 39,503.16 × 16,691.09
  4. Step 4: Simplify right side
    28,625.45x = 659,350,892.00
  5. Step 5: Solve for x
    x = 659,350,892.00/28,625.45
  6. Step 6: Final answer
    x = 23,033.73

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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.