Home / 28,753.18-39,677.25-16,175.50

Finding the Fourth Proportional to 28,753.18, 39,677.25 and 16,175.50

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Solution

The fourth proportional to 28,753.18, 39,677.25 and 16,175.50 is: 22,320.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.18 : 39,677.25 = 16,175.50 : x
  2. Step 2: Convert to fraction form
    28,753.18/39,677.25 = 16,175.50/x
  3. Step 3: Cross multiply
    28,753.18x = 39,677.25 × 16,175.50
  4. Step 4: Simplify right side
    28,753.18x = 641,799,357.38
  5. Step 5: Solve for x
    x = 641,799,357.38/28,753.18
  6. Step 6: Final answer
    x = 22,320.99

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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.