Home / 38,165.76-57,275.97-28,275.24

Finding the Fourth Proportional to 38,165.76, 57,275.97 and 28,275.24

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Solution

The fourth proportional to 38,165.76, 57,275.97 and 28,275.24 is: 42,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,165.76 : 57,275.97 = 28,275.24 : x
  2. Step 2: Convert to fraction form
    38,165.76/57,275.97 = 28,275.24/x
  3. Step 3: Cross multiply
    38,165.76x = 57,275.97 × 28,275.24
  4. Step 4: Simplify right side
    38,165.76x = 1,619,491,797.98
  5. Step 5: Solve for x
    x = 1,619,491,797.98/38,165.76
  6. Step 6: Final answer
    x = 42,433.11

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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.