Home / 26,198.16-36,149.40-15,018

Finding the Fourth Proportional to 26,198.16, 36,149.40 and 15,018

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Solution

The fourth proportional to 26,198.16, 36,149.40 and 15,018 is: 20,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,198.16 : 36,149.40 = 15,018 : x
  2. Step 2: Convert to fraction form
    26,198.16/36,149.40 = 15,018/x
  3. Step 3: Cross multiply
    26,198.16x = 36,149.40 × 15,018
  4. Step 4: Simplify right side
    26,198.16x = 542,891,689.20
  5. Step 5: Solve for x
    x = 542,891,689.20/26,198.16
  6. Step 6: Final answer
    x = 20,722.51

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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.