Home / 22,691.82-31,329.93-20,294.34

Finding the Fourth Proportional to 22,691.82, 31,329.93 and 20,294.34

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Solution

The fourth proportional to 22,691.82, 31,329.93 and 20,294.34 is: 28,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,691.82 : 31,329.93 = 20,294.34 : x
  2. Step 2: Convert to fraction form
    22,691.82/31,329.93 = 20,294.34/x
  3. Step 3: Cross multiply
    22,691.82x = 31,329.93 × 20,294.34
  4. Step 4: Simplify right side
    22,691.82x = 635,820,251.60
  5. Step 5: Solve for x
    x = 635,820,251.60/22,691.82
  6. Step 6: Final answer
    x = 28,019.80

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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.