Home / 25,519.05-38,278.59-13,906.08

Finding the Fourth Proportional to 25,519.05, 38,278.59 and 13,906.08

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Solution

The fourth proportional to 25,519.05, 38,278.59 and 13,906.08 is: 20,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,519.05 : 38,278.59 = 13,906.08 : x
  2. Step 2: Convert to fraction form
    25,519.05/38,278.59 = 13,906.08/x
  3. Step 3: Cross multiply
    25,519.05x = 38,278.59 × 13,906.08
  4. Step 4: Simplify right side
    25,519.05x = 532,305,134.83
  5. Step 5: Solve for x
    x = 532,305,134.83/25,519.05
  6. Step 6: Final answer
    x = 20,859.13

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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.