Home / 41,396.28-57,193.78-28,876.92

Finding the Fourth Proportional to 41,396.28, 57,193.78 and 28,876.92

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Solution

The fourth proportional to 41,396.28, 57,193.78 and 28,876.92 is: 39,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,396.28 : 57,193.78 = 28,876.92 : x
  2. Step 2: Convert to fraction form
    41,396.28/57,193.78 = 28,876.92/x
  3. Step 3: Cross multiply
    41,396.28x = 57,193.78 × 28,876.92
  4. Step 4: Simplify right side
    41,396.28x = 1,651,580,209.56
  5. Step 5: Solve for x
    x = 1,651,580,209.56/41,396.28
  6. Step 6: Final answer
    x = 39,896.83

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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.