Home / 25,845.28-38,765.76-10,258.72

Finding the Fourth Proportional to 25,845.28, 38,765.76 and 10,258.72

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Solution

The fourth proportional to 25,845.28, 38,765.76 and 10,258.72 is: 15,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845.28 : 38,765.76 = 10,258.72 : x
  2. Step 2: Convert to fraction form
    25,845.28/38,765.76 = 10,258.72/x
  3. Step 3: Cross multiply
    25,845.28x = 38,765.76 × 10,258.72
  4. Step 4: Simplify right side
    25,845.28x = 397,687,077.43
  5. Step 5: Solve for x
    x = 397,687,077.43/25,845.28
  6. Step 6: Final answer
    x = 15,387.22

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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.