Home / 42,275.26-63,388.23-28,251.12

Finding the Fourth Proportional to 42,275.26, 63,388.23 and 28,251.12

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Solution

The fourth proportional to 42,275.26, 63,388.23 and 28,251.12 is: 42,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,275.26 : 63,388.23 = 28,251.12 : x
  2. Step 2: Convert to fraction form
    42,275.26/63,388.23 = 28,251.12/x
  3. Step 3: Cross multiply
    42,275.26x = 63,388.23 × 28,251.12
  4. Step 4: Simplify right side
    42,275.26x = 1,790,788,650.79
  5. Step 5: Solve for x
    x = 1,790,788,650.79/42,275.26
  6. Step 6: Final answer
    x = 42,360.20

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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.