Home / 26,836.74-40,226.15-16,978.84

Finding the Fourth Proportional to 26,836.74, 40,226.15 and 16,978.84

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Solution

The fourth proportional to 26,836.74, 40,226.15 and 16,978.84 is: 25,449.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,836.74 : 40,226.15 = 16,978.84 : x
  2. Step 2: Convert to fraction form
    26,836.74/40,226.15 = 16,978.84/x
  3. Step 3: Cross multiply
    26,836.74x = 40,226.15 × 16,978.84
  4. Step 4: Simplify right side
    26,836.74x = 682,993,306.55
  5. Step 5: Solve for x
    x = 682,993,306.55/26,836.74
  6. Step 6: Final answer
    x = 25,449.94

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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.