Home / 25,418.97-38,128.68-10,434.33

Finding the Fourth Proportional to 25,418.97, 38,128.68 and 10,434.33

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Solution

The fourth proportional to 25,418.97, 38,128.68 and 10,434.33 is: 15,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,418.97 : 38,128.68 = 10,434.33 : x
  2. Step 2: Convert to fraction form
    25,418.97/38,128.68 = 10,434.33/x
  3. Step 3: Cross multiply
    25,418.97x = 38,128.68 × 10,434.33
  4. Step 4: Simplify right side
    25,418.97x = 397,847,229.58
  5. Step 5: Solve for x
    x = 397,847,229.58/25,418.97
  6. Step 6: Final answer
    x = 15,651.59

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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.