Home / 29,221.67-40,307.20-20,265.90

Finding the Fourth Proportional to 29,221.67, 40,307.20 and 20,265.90

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Solution

The fourth proportional to 29,221.67, 40,307.20 and 20,265.90 is: 27,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,221.67 : 40,307.20 = 20,265.90 : x
  2. Step 2: Convert to fraction form
    29,221.67/40,307.20 = 20,265.90/x
  3. Step 3: Cross multiply
    29,221.67x = 40,307.20 × 20,265.90
  4. Step 4: Simplify right side
    29,221.67x = 816,861,684.48
  5. Step 5: Solve for x
    x = 816,861,684.48/29,221.67
  6. Step 6: Final answer
    x = 27,953.97

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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.