Home / 26,919-40,359.24-12,682.44

Finding the Fourth Proportional to 26,919, 40,359.24 and 12,682.44

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Solution

The fourth proportional to 26,919, 40,359.24 and 12,682.44 is: 19,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919 : 40,359.24 = 12,682.44 : x
  2. Step 2: Convert to fraction form
    26,919/40,359.24 = 12,682.44/x
  3. Step 3: Cross multiply
    26,919x = 40,359.24 × 12,682.44
  4. Step 4: Simplify right side
    26,919x = 511,853,639.75
  5. Step 5: Solve for x
    x = 511,853,639.75/26,919
  6. Step 6: Final answer
    x = 19,014.59

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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.