Home / 26,581.56-39,872.32-7,861.84

Finding the Fourth Proportional to 26,581.56, 39,872.32 and 7,861.84

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Solution

The fourth proportional to 26,581.56, 39,872.32 and 7,861.84 is: 11,792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.56 : 39,872.32 = 7,861.84 : x
  2. Step 2: Convert to fraction form
    26,581.56/39,872.32 = 7,861.84/x
  3. Step 3: Cross multiply
    26,581.56x = 39,872.32 × 7,861.84
  4. Step 4: Simplify right side
    26,581.56x = 313,469,800.27
  5. Step 5: Solve for x
    x = 313,469,800.27/26,581.56
  6. Step 6: Final answer
    x = 11,792.75

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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.