Home / 27,837.44-41,747.95-8,109.78

Finding the Fourth Proportional to 27,837.44, 41,747.95 and 8,109.78

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Solution

The fourth proportional to 27,837.44, 41,747.95 and 8,109.78 is: 12,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,837.44 : 41,747.95 = 8,109.78 : x
  2. Step 2: Convert to fraction form
    27,837.44/41,747.95 = 8,109.78/x
  3. Step 3: Cross multiply
    27,837.44x = 41,747.95 × 8,109.78
  4. Step 4: Simplify right side
    27,837.44x = 338,566,689.95
  5. Step 5: Solve for x
    x = 338,566,689.95/27,837.44
  6. Step 6: Final answer
    x = 12,162.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.