Home / 25,519.56-38,279.34-13,906.58

Finding the Fourth Proportional to 25,519.56, 38,279.34 and 13,906.58

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Solution

The fourth proportional to 25,519.56, 38,279.34 and 13,906.58 is: 20,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,519.56 : 38,279.34 = 13,906.58 : x
  2. Step 2: Convert to fraction form
    25,519.56/38,279.34 = 13,906.58/x
  3. Step 3: Cross multiply
    25,519.56x = 38,279.34 × 13,906.58
  4. Step 4: Simplify right side
    25,519.56x = 532,334,704.06
  5. Step 5: Solve for x
    x = 532,334,704.06/25,519.56
  6. Step 6: Final answer
    x = 20,859.87

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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.