Home / 18,081.22-27,126.72-16,346.20

Finding the Fourth Proportional to 18,081.22, 27,126.72 and 16,346.20

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Solution

The fourth proportional to 18,081.22, 27,126.72 and 16,346.20 is: 24,523.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.22 : 27,126.72 = 16,346.20 : x
  2. Step 2: Convert to fraction form
    18,081.22/27,126.72 = 16,346.20/x
  3. Step 3: Cross multiply
    18,081.22x = 27,126.72 × 16,346.20
  4. Step 4: Simplify right side
    18,081.22x = 443,418,573.10
  5. Step 5: Solve for x
    x = 443,418,573.10/18,081.22
  6. Step 6: Final answer
    x = 24,523.72

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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.