Home / 27,500.20-41,250.30-19,781.80

Finding the Fourth Proportional to 27,500.20, 41,250.30 and 19,781.80

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Solution

The fourth proportional to 27,500.20, 41,250.30 and 19,781.80 is: 29,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,500.20 : 41,250.30 = 19,781.80 : x
  2. Step 2: Convert to fraction form
    27,500.20/41,250.30 = 19,781.80/x
  3. Step 3: Cross multiply
    27,500.20x = 41,250.30 × 19,781.80
  4. Step 4: Simplify right side
    27,500.20x = 816,005,184.54
  5. Step 5: Solve for x
    x = 816,005,184.54/27,500.20
  6. Step 6: Final answer
    x = 29,672.70

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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.