Home / 26,138.32-39,211.50-8,604.04

Finding the Fourth Proportional to 26,138.32, 39,211.50 and 8,604.04

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Solution

The fourth proportional to 26,138.32, 39,211.50 and 8,604.04 is: 12,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.32 : 39,211.50 = 8,604.04 : x
  2. Step 2: Convert to fraction form
    26,138.32/39,211.50 = 8,604.04/x
  3. Step 3: Cross multiply
    26,138.32x = 39,211.50 × 8,604.04
  4. Step 4: Simplify right side
    26,138.32x = 337,377,314.46
  5. Step 5: Solve for x
    x = 337,377,314.46/26,138.32
  6. Step 6: Final answer
    x = 12,907.38

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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.