Home / 25,249.60-34,843.05-13,919.08

Finding the Fourth Proportional to 25,249.60, 34,843.05 and 13,919.08

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Solution

The fourth proportional to 25,249.60, 34,843.05 and 13,919.08 is: 19,207.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,249.60 : 34,843.05 = 13,919.08 : x
  2. Step 2: Convert to fraction form
    25,249.60/34,843.05 = 13,919.08/x
  3. Step 3: Cross multiply
    25,249.60x = 34,843.05 × 13,919.08
  4. Step 4: Simplify right side
    25,249.60x = 484,983,110.05
  5. Step 5: Solve for x
    x = 484,983,110.05/25,249.60
  6. Step 6: Final answer
    x = 19,207.56

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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.