Home / 41,397.28-57,195.16-28,877.92

Finding the Fourth Proportional to 41,397.28, 57,195.16 and 28,877.92

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Solution

The fourth proportional to 41,397.28, 57,195.16 and 28,877.92 is: 39,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,397.28 : 57,195.16 = 28,877.92 : x
  2. Step 2: Convert to fraction form
    41,397.28/57,195.16 = 28,877.92/x
  3. Step 3: Cross multiply
    41,397.28x = 57,195.16 × 28,877.92
  4. Step 4: Simplify right side
    41,397.28x = 1,651,677,254.87
  5. Step 5: Solve for x
    x = 1,651,677,254.87/41,397.28
  6. Step 6: Final answer
    x = 39,898.21

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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.