Home / 27,451.20-41,128.20-25,701.60

Finding the Fourth Proportional to 27,451.20, 41,128.20 and 25,701.60

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Solution

The fourth proportional to 27,451.20, 41,128.20 and 25,701.60 is: 38,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,451.20 : 41,128.20 = 25,701.60 : x
  2. Step 2: Convert to fraction form
    27,451.20/41,128.20 = 25,701.60/x
  3. Step 3: Cross multiply
    27,451.20x = 41,128.20 × 25,701.60
  4. Step 4: Simplify right side
    27,451.20x = 1,057,060,545.12
  5. Step 5: Solve for x
    x = 1,057,060,545.12/27,451.20
  6. Step 6: Final answer
    x = 38,506.90

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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.