Home / 28,082.69-42,135.50-18,092.66

Finding the Fourth Proportional to 28,082.69, 42,135.50 and 18,092.66

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Solution

The fourth proportional to 28,082.69, 42,135.50 and 18,092.66 is: 27,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.69 : 42,135.50 = 18,092.66 : x
  2. Step 2: Convert to fraction form
    28,082.69/42,135.50 = 18,092.66/x
  3. Step 3: Cross multiply
    28,082.69x = 42,135.50 × 18,092.66
  4. Step 4: Simplify right side
    28,082.69x = 762,342,974.29
  5. Step 5: Solve for x
    x = 762,342,974.29/28,082.69
  6. Step 6: Final answer
    x = 27,146.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.