Home / 20,034.82-27,648.54-11,082.51

Finding the Fourth Proportional to 20,034.82, 27,648.54 and 11,082.51

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Solution

The fourth proportional to 20,034.82, 27,648.54 and 11,082.51 is: 15,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.82 : 27,648.54 = 11,082.51 : x
  2. Step 2: Convert to fraction form
    20,034.82/27,648.54 = 11,082.51/x
  3. Step 3: Cross multiply
    20,034.82x = 27,648.54 × 11,082.51
  4. Step 4: Simplify right side
    20,034.82x = 306,415,221.04
  5. Step 5: Solve for x
    x = 306,415,221.04/20,034.82
  6. Step 6: Final answer
    x = 15,294.13

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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.