Home / 38,290.28-52,825.62-28,242.62

Finding the Fourth Proportional to 38,290.28, 52,825.62 and 28,242.62

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Solution

The fourth proportional to 38,290.28, 52,825.62 and 28,242.62 is: 38,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290.28 : 52,825.62 = 28,242.62 : x
  2. Step 2: Convert to fraction form
    38,290.28/52,825.62 = 28,242.62/x
  3. Step 3: Cross multiply
    38,290.28x = 52,825.62 × 28,242.62
  4. Step 4: Simplify right side
    38,290.28x = 1,491,933,911.92
  5. Step 5: Solve for x
    x = 1,491,933,911.92/38,290.28
  6. Step 6: Final answer
    x = 38,963.78

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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.