Home / 26,729.19-40,102.70-8,961.62

Finding the Fourth Proportional to 26,729.19, 40,102.70 and 8,961.62

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Solution

The fourth proportional to 26,729.19, 40,102.70 and 8,961.62 is: 13,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,729.19 : 40,102.70 = 8,961.62 : x
  2. Step 2: Convert to fraction form
    26,729.19/40,102.70 = 8,961.62/x
  3. Step 3: Cross multiply
    26,729.19x = 40,102.70 × 8,961.62
  4. Step 4: Simplify right side
    26,729.19x = 359,384,913.05
  5. Step 5: Solve for x
    x = 359,384,913.05/26,729.19
  6. Step 6: Final answer
    x = 13,445.41

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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.