Home / 22,179.29-30,555.43-15,452.75

Finding the Fourth Proportional to 22,179.29, 30,555.43 and 15,452.75

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Solution

The fourth proportional to 22,179.29, 30,555.43 and 15,452.75 is: 21,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.29 : 30,555.43 = 15,452.75 : x
  2. Step 2: Convert to fraction form
    22,179.29/30,555.43 = 15,452.75/x
  3. Step 3: Cross multiply
    22,179.29x = 30,555.43 × 15,452.75
  4. Step 4: Simplify right side
    22,179.29x = 472,165,420.93
  5. Step 5: Solve for x
    x = 472,165,420.93/22,179.29
  6. Step 6: Final answer
    x = 21,288.57

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Half scale
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Double scale
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Similar ratio
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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.