Home / 26,942.48-40,419.96-8,474

Finding the Fourth Proportional to 26,942.48, 40,419.96 and 8,474

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Solution

The fourth proportional to 26,942.48, 40,419.96 and 8,474 is: 12,712.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.48 : 40,419.96 = 8,474 : x
  2. Step 2: Convert to fraction form
    26,942.48/40,419.96 = 8,474/x
  3. Step 3: Cross multiply
    26,942.48x = 40,419.96 × 8,474
  4. Step 4: Simplify right side
    26,942.48x = 342,518,741.04
  5. Step 5: Solve for x
    x = 342,518,741.04/26,942.48
  6. Step 6: Final answer
    x = 12,712.96

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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.