Home / 27,747.06-38,290.23-15,171

Finding the Fourth Proportional to 27,747.06, 38,290.23 and 15,171

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Solution

The fourth proportional to 27,747.06, 38,290.23 and 15,171 is: 20,935.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747.06 : 38,290.23 = 15,171 : x
  2. Step 2: Convert to fraction form
    27,747.06/38,290.23 = 15,171/x
  3. Step 3: Cross multiply
    27,747.06x = 38,290.23 × 15,171
  4. Step 4: Simplify right side
    27,747.06x = 580,901,079.33
  5. Step 5: Solve for x
    x = 580,901,079.33/27,747.06
  6. Step 6: Final answer
    x = 20,935.59

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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.