Home / 27,111.12-37,414.38-15,013.14

Finding the Fourth Proportional to 27,111.12, 37,414.38 and 15,013.14

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Solution

The fourth proportional to 27,111.12, 37,414.38 and 15,013.14 is: 20,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,111.12 : 37,414.38 = 15,013.14 : x
  2. Step 2: Convert to fraction form
    27,111.12/37,414.38 = 15,013.14/x
  3. Step 3: Cross multiply
    27,111.12x = 37,414.38 × 15,013.14
  4. Step 4: Simplify right side
    27,111.12x = 561,707,324.95
  5. Step 5: Solve for x
    x = 561,707,324.95/27,111.12
  6. Step 6: Final answer
    x = 20,718.71

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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.