Home / 26,998.20-40,497.30-18,675.90

Finding the Fourth Proportional to 26,998.20, 40,497.30 and 18,675.90

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Solution

The fourth proportional to 26,998.20, 40,497.30 and 18,675.90 is: 28,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,998.20 : 40,497.30 = 18,675.90 : x
  2. Step 2: Convert to fraction form
    26,998.20/40,497.30 = 18,675.90/x
  3. Step 3: Cross multiply
    26,998.20x = 40,497.30 × 18,675.90
  4. Step 4: Simplify right side
    26,998.20x = 756,323,525.07
  5. Step 5: Solve for x
    x = 756,323,525.07/26,998.20
  6. Step 6: Final answer
    x = 28,013.85

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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.