Home / 29,235.29-40,363.14-20,279.66

Finding the Fourth Proportional to 29,235.29, 40,363.14 and 20,279.66

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Solution

The fourth proportional to 29,235.29, 40,363.14 and 20,279.66 is: 27,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,235.29 : 40,363.14 = 20,279.66 : x
  2. Step 2: Convert to fraction form
    29,235.29/40,363.14 = 20,279.66/x
  3. Step 3: Cross multiply
    29,235.29x = 40,363.14 × 20,279.66
  4. Step 4: Simplify right side
    29,235.29x = 818,550,452.52
  5. Step 5: Solve for x
    x = 818,550,452.52/29,235.29
  6. Step 6: Final answer
    x = 27,998.72

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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.