Home / 27,546.80-41,320.20-18,215.60

Finding the Fourth Proportional to 27,546.80, 41,320.20 and 18,215.60

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Solution

The fourth proportional to 27,546.80, 41,320.20 and 18,215.60 is: 27,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,546.80 : 41,320.20 = 18,215.60 : x
  2. Step 2: Convert to fraction form
    27,546.80/41,320.20 = 18,215.60/x
  3. Step 3: Cross multiply
    27,546.80x = 41,320.20 × 18,215.60
  4. Step 4: Simplify right side
    27,546.80x = 752,672,235.12
  5. Step 5: Solve for x
    x = 752,672,235.12/27,546.80
  6. Step 6: Final answer
    x = 27,323.40

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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.