Home / 24,921.20-34,389.96-15,489.56

Finding the Fourth Proportional to 24,921.20, 34,389.96 and 15,489.56

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Solution

The fourth proportional to 24,921.20, 34,389.96 and 15,489.56 is: 21,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,921.20 : 34,389.96 = 15,489.56 : x
  2. Step 2: Convert to fraction form
    24,921.20/34,389.96 = 15,489.56/x
  3. Step 3: Cross multiply
    24,921.20x = 34,389.96 × 15,489.56
  4. Step 4: Simplify right side
    24,921.20x = 532,685,348.82
  5. Step 5: Solve for x
    x = 532,685,348.82/24,921.20
  6. Step 6: Final answer
    x = 21,374.79

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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.