Home / 41,387.28-57,181.32-28,867.92

Finding the Fourth Proportional to 41,387.28, 57,181.32 and 28,867.92

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Solution

The fourth proportional to 41,387.28, 57,181.32 and 28,867.92 is: 39,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,387.28 : 57,181.32 = 28,867.92 : x
  2. Step 2: Convert to fraction form
    41,387.28/57,181.32 = 28,867.92/x
  3. Step 3: Cross multiply
    41,387.28x = 57,181.32 × 28,867.92
  4. Step 4: Simplify right side
    41,387.28x = 1,650,705,771.25
  5. Step 5: Solve for x
    x = 1,650,705,771.25/41,387.28
  6. Step 6: Final answer
    x = 39,884.37

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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.