Home / 26,910.89-40,340.15-12,867.27

Finding the Fourth Proportional to 26,910.89, 40,340.15 and 12,867.27

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Solution

The fourth proportional to 26,910.89, 40,340.15 and 12,867.27 is: 19,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.89 : 40,340.15 = 12,867.27 : x
  2. Step 2: Convert to fraction form
    26,910.89/40,340.15 = 12,867.27/x
  3. Step 3: Cross multiply
    26,910.89x = 40,340.15 × 12,867.27
  4. Step 4: Simplify right side
    26,910.89x = 519,067,601.89
  5. Step 5: Solve for x
    x = 519,067,601.89/26,910.89
  6. Step 6: Final answer
    x = 19,288.38

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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.