Home / 27,675.22-38,191.75-15,099.97

Finding the Fourth Proportional to 27,675.22, 38,191.75 and 15,099.97

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Solution

The fourth proportional to 27,675.22, 38,191.75 and 15,099.97 is: 20,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,675.22 : 38,191.75 = 15,099.97 : x
  2. Step 2: Convert to fraction form
    27,675.22/38,191.75 = 15,099.97/x
  3. Step 3: Cross multiply
    27,675.22x = 38,191.75 × 15,099.97
  4. Step 4: Simplify right side
    27,675.22x = 576,694,279.25
  5. Step 5: Solve for x
    x = 576,694,279.25/27,675.22
  6. Step 6: Final answer
    x = 20,837.93

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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.