Home / 27,500.69-41,250.61-8,780.61

Finding the Fourth Proportional to 27,500.69, 41,250.61 and 8,780.61

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Solution

The fourth proportional to 27,500.69, 41,250.61 and 8,780.61 is: 13,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,500.69 : 41,250.61 = 8,780.61 : x
  2. Step 2: Convert to fraction form
    27,500.69/41,250.61 = 8,780.61/x
  3. Step 3: Cross multiply
    27,500.69x = 41,250.61 × 8,780.61
  4. Step 4: Simplify right side
    27,500.69x = 362,205,543.62
  5. Step 5: Solve for x
    x = 362,205,543.62/27,500.69
  6. Step 6: Final answer
    x = 13,170.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.