Home / 27,380.24-41,072.60-8,661.56

Finding the Fourth Proportional to 27,380.24, 41,072.60 and 8,661.56

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Solution

The fourth proportional to 27,380.24, 41,072.60 and 8,661.56 is: 12,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.24 : 41,072.60 = 8,661.56 : x
  2. Step 2: Convert to fraction form
    27,380.24/41,072.60 = 8,661.56/x
  3. Step 3: Cross multiply
    27,380.24x = 41,072.60 × 8,661.56
  4. Step 4: Simplify right side
    27,380.24x = 355,752,789.26
  5. Step 5: Solve for x
    x = 355,752,789.26/27,380.24
  6. Step 6: Final answer
    x = 12,993.05

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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.