Home / 17,919.82-26,876.22-17,030.78

Finding the Fourth Proportional to 17,919.82, 26,876.22 and 17,030.78

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Solution

The fourth proportional to 17,919.82, 26,876.22 and 17,030.78 is: 25,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.82 : 26,876.22 = 17,030.78 : x
  2. Step 2: Convert to fraction form
    17,919.82/26,876.22 = 17,030.78/x
  3. Step 3: Cross multiply
    17,919.82x = 26,876.22 × 17,030.78
  4. Step 4: Simplify right side
    17,919.82x = 457,722,990.05
  5. Step 5: Solve for x
    x = 457,722,990.05/17,919.82
  6. Step 6: Final answer
    x = 25,542.83

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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.