Home / 26,118-39,144.15-18,736.92

Finding the Fourth Proportional to 26,118, 39,144.15 and 18,736.92

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Solution

The fourth proportional to 26,118, 39,144.15 and 18,736.92 is: 28,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118 : 39,144.15 = 18,736.92 : x
  2. Step 2: Convert to fraction form
    26,118/39,144.15 = 18,736.92/x
  3. Step 3: Cross multiply
    26,118x = 39,144.15 × 18,736.92
  4. Step 4: Simplify right side
    26,118x = 733,440,807.02
  5. Step 5: Solve for x
    x = 733,440,807.02/26,118
  6. Step 6: Final answer
    x = 28,081.81

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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.