Home / 26,871.13-40,306.64-7,149.69

Finding the Fourth Proportional to 26,871.13, 40,306.64 and 7,149.69

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Solution

The fourth proportional to 26,871.13, 40,306.64 and 7,149.69 is: 10,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871.13 : 40,306.64 = 7,149.69 : x
  2. Step 2: Convert to fraction form
    26,871.13/40,306.64 = 7,149.69/x
  3. Step 3: Cross multiply
    26,871.13x = 40,306.64 × 7,149.69
  4. Step 4: Simplify right side
    26,871.13x = 288,179,998.82
  5. Step 5: Solve for x
    x = 288,179,998.82/26,871.13
  6. Step 6: Final answer
    x = 10,724.52

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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.