Home / 20,117.10-27,744.85-15,092.47

Finding the Fourth Proportional to 20,117.10, 27,744.85 and 15,092.47

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Solution

The fourth proportional to 20,117.10, 27,744.85 and 15,092.47 is: 20,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117.10 : 27,744.85 = 15,092.47 : x
  2. Step 2: Convert to fraction form
    20,117.10/27,744.85 = 15,092.47/x
  3. Step 3: Cross multiply
    20,117.10x = 27,744.85 × 15,092.47
  4. Step 4: Simplify right side
    20,117.10x = 418,738,316.28
  5. Step 5: Solve for x
    x = 418,738,316.28/20,117.10
  6. Step 6: Final answer
    x = 20,815.04

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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.