Home / 25,781.88-35,578.91-14,451.40

Finding the Fourth Proportional to 25,781.88, 35,578.91 and 14,451.40

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Solution

The fourth proportional to 25,781.88, 35,578.91 and 14,451.40 is: 19,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,781.88 : 35,578.91 = 14,451.40 : x
  2. Step 2: Convert to fraction form
    25,781.88/35,578.91 = 14,451.40/x
  3. Step 3: Cross multiply
    25,781.88x = 35,578.91 × 14,451.40
  4. Step 4: Simplify right side
    25,781.88x = 514,165,059.97
  5. Step 5: Solve for x
    x = 514,165,059.97/25,781.88
  6. Step 6: Final answer
    x = 19,942.88

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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.