Home / 26,871.56-40,308.24-12,080.52

Finding the Fourth Proportional to 26,871.56, 40,308.24 and 12,080.52

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Solution

The fourth proportional to 26,871.56, 40,308.24 and 12,080.52 is: 18,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871.56 : 40,308.24 = 12,080.52 : x
  2. Step 2: Convert to fraction form
    26,871.56/40,308.24 = 12,080.52/x
  3. Step 3: Cross multiply
    26,871.56x = 40,308.24 × 12,080.52
  4. Step 4: Simplify right side
    26,871.56x = 486,944,499.48
  5. Step 5: Solve for x
    x = 486,944,499.48/26,871.56
  6. Step 6: Final answer
    x = 18,121.18

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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.