Home / 27,939.60-41,909.40-7,163.10

Finding the Fourth Proportional to 27,939.60, 41,909.40 and 7,163.10

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Solution

The fourth proportional to 27,939.60, 41,909.40 and 7,163.10 is: 10,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.60 : 41,909.40 = 7,163.10 : x
  2. Step 2: Convert to fraction form
    27,939.60/41,909.40 = 7,163.10/x
  3. Step 3: Cross multiply
    27,939.60x = 41,909.40 × 7,163.10
  4. Step 4: Simplify right side
    27,939.60x = 300,201,223.14
  5. Step 5: Solve for x
    x = 300,201,223.14/27,939.60
  6. Step 6: Final answer
    x = 10,744.65

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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.