Home / 27,825.87-41,745.42-9,105.96

Finding the Fourth Proportional to 27,825.87, 41,745.42 and 9,105.96

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Solution

The fourth proportional to 27,825.87, 41,745.42 and 9,105.96 is: 13,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.87 : 41,745.42 = 9,105.96 : x
  2. Step 2: Convert to fraction form
    27,825.87/41,745.42 = 9,105.96/x
  3. Step 3: Cross multiply
    27,825.87x = 41,745.42 × 9,105.96
  4. Step 4: Simplify right side
    27,825.87x = 380,132,124.70
  5. Step 5: Solve for x
    x = 380,132,124.70/27,825.87
  6. Step 6: Final answer
    x = 13,661.10

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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.