Home / 25,012.79-34,481.76-15,446.28

Finding the Fourth Proportional to 25,012.79, 34,481.76 and 15,446.28

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Solution

The fourth proportional to 25,012.79, 34,481.76 and 15,446.28 is: 21,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,012.79 : 34,481.76 = 15,446.28 : x
  2. Step 2: Convert to fraction form
    25,012.79/34,481.76 = 15,446.28/x
  3. Step 3: Cross multiply
    25,012.79x = 34,481.76 × 15,446.28
  4. Step 4: Simplify right side
    25,012.79x = 532,614,919.85
  5. Step 5: Solve for x
    x = 532,614,919.85/25,012.79
  6. Step 6: Final answer
    x = 21,293.70

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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.