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Finding the Fourth Proportional to 26,673, 40,015.44 and 11,885.16

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Solution

The fourth proportional to 26,673, 40,015.44 and 11,885.16 is: 17,830.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,673 : 40,015.44 = 11,885.16 : x
  2. Step 2: Convert to fraction form
    26,673/40,015.44 = 11,885.16/x
  3. Step 3: Cross multiply
    26,673x = 40,015.44 × 11,885.16
  4. Step 4: Simplify right side
    26,673x = 475,589,906.87
  5. Step 5: Solve for x
    x = 475,589,906.87/26,673
  6. Step 6: Final answer
    x = 17,830.39

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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.