Home / 27,279.23-37,649.84-17,213.18

Finding the Fourth Proportional to 27,279.23, 37,649.84 and 17,213.18

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Solution

The fourth proportional to 27,279.23, 37,649.84 and 17,213.18 is: 23,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.23 : 37,649.84 = 17,213.18 : x
  2. Step 2: Convert to fraction form
    27,279.23/37,649.84 = 17,213.18/x
  3. Step 3: Cross multiply
    27,279.23x = 37,649.84 × 17,213.18
  4. Step 4: Simplify right side
    27,279.23x = 648,073,198.58
  5. Step 5: Solve for x
    x = 648,073,198.58/27,279.23
  6. Step 6: Final answer
    x = 23,757.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.