Home / 27,180.34-40,770.28-17,879.11

Finding the Fourth Proportional to 27,180.34, 40,770.28 and 17,879.11

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Solution

The fourth proportional to 27,180.34, 40,770.28 and 17,879.11 is: 26,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.34 : 40,770.28 = 17,879.11 : x
  2. Step 2: Convert to fraction form
    27,180.34/40,770.28 = 17,879.11/x
  3. Step 3: Cross multiply
    27,180.34x = 40,770.28 × 17,879.11
  4. Step 4: Simplify right side
    27,180.34x = 728,936,320.85
  5. Step 5: Solve for x
    x = 728,936,320.85/27,180.34
  6. Step 6: Final answer
    x = 26,818.51

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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.