Home / 27,624.67-38,121.97-15,049.39

Finding the Fourth Proportional to 27,624.67, 38,121.97 and 15,049.39

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Solution

The fourth proportional to 27,624.67, 38,121.97 and 15,049.39 is: 20,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,624.67 : 38,121.97 = 15,049.39 : x
  2. Step 2: Convert to fraction form
    27,624.67/38,121.97 = 15,049.39/x
  3. Step 3: Cross multiply
    27,624.67x = 38,121.97 × 15,049.39
  4. Step 4: Simplify right side
    27,624.67x = 573,712,394.10
  5. Step 5: Solve for x
    x = 573,712,394.10/27,624.67
  6. Step 6: Final answer
    x = 20,768.12

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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.