Home / 26,747.04-40,126.96-8,279.04

Finding the Fourth Proportional to 26,747.04, 40,126.96 and 8,279.04

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Solution

The fourth proportional to 26,747.04, 40,126.96 and 8,279.04 is: 12,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,747.04 : 40,126.96 = 8,279.04 : x
  2. Step 2: Convert to fraction form
    26,747.04/40,126.96 = 8,279.04/x
  3. Step 3: Cross multiply
    26,747.04x = 40,126.96 × 8,279.04
  4. Step 4: Simplify right side
    26,747.04x = 332,212,706.92
  5. Step 5: Solve for x
    x = 332,212,706.92/26,747.04
  6. Step 6: Final answer
    x = 12,420.54

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1.5x scale

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.