Home / 22,229.26-30,548.08-21,201.34

Finding the Fourth Proportional to 22,229.26, 30,548.08 and 21,201.34

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Solution

The fourth proportional to 22,229.26, 30,548.08 and 21,201.34 is: 29,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,229.26 : 30,548.08 = 21,201.34 : x
  2. Step 2: Convert to fraction form
    22,229.26/30,548.08 = 21,201.34/x
  3. Step 3: Cross multiply
    22,229.26x = 30,548.08 × 21,201.34
  4. Step 4: Simplify right side
    22,229.26x = 647,660,230.43
  5. Step 5: Solve for x
    x = 647,660,230.43/22,229.26
  6. Step 6: Final answer
    x = 29,135.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.