Home / 26,581.59-39,880.85-7,861.74

Finding the Fourth Proportional to 26,581.59, 39,880.85 and 7,861.74

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Solution

The fourth proportional to 26,581.59, 39,880.85 and 7,861.74 is: 11,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.59 : 39,880.85 = 7,861.74 : x
  2. Step 2: Convert to fraction form
    26,581.59/39,880.85 = 7,861.74/x
  3. Step 3: Cross multiply
    26,581.59x = 39,880.85 × 7,861.74
  4. Step 4: Simplify right side
    26,581.59x = 313,532,873.68
  5. Step 5: Solve for x
    x = 313,532,873.68/26,581.59
  6. Step 6: Final answer
    x = 11,795.11

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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.