Home / 27,618.24-41,431.96-10,978.44

Finding the Fourth Proportional to 27,618.24, 41,431.96 and 10,978.44

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Solution

The fourth proportional to 27,618.24, 41,431.96 and 10,978.44 is: 16,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.24 : 41,431.96 = 10,978.44 : x
  2. Step 2: Convert to fraction form
    27,618.24/41,431.96 = 10,978.44/x
  3. Step 3: Cross multiply
    27,618.24x = 41,431.96 × 10,978.44
  4. Step 4: Simplify right side
    27,618.24x = 454,858,083.54
  5. Step 5: Solve for x
    x = 454,858,083.54/27,618.24
  6. Step 6: Final answer
    x = 16,469.48

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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.