Home / 25,723.82-35,451.51-21,220.22

Finding the Fourth Proportional to 25,723.82, 35,451.51 and 21,220.22

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Solution

The fourth proportional to 25,723.82, 35,451.51 and 21,220.22 is: 29,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723.82 : 35,451.51 = 21,220.22 : x
  2. Step 2: Convert to fraction form
    25,723.82/35,451.51 = 21,220.22/x
  3. Step 3: Cross multiply
    25,723.82x = 35,451.51 × 21,220.22
  4. Step 4: Simplify right side
    25,723.82x = 752,288,850.59
  5. Step 5: Solve for x
    x = 752,288,850.59/25,723.82
  6. Step 6: Final answer
    x = 29,244.83

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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.