Home / 26,761.62-40,087.94-12,678.96

Finding the Fourth Proportional to 26,761.62, 40,087.94 and 12,678.96

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Solution

The fourth proportional to 26,761.62, 40,087.94 and 12,678.96 is: 18,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.62 : 40,087.94 = 12,678.96 : x
  2. Step 2: Convert to fraction form
    26,761.62/40,087.94 = 12,678.96/x
  3. Step 3: Cross multiply
    26,761.62x = 40,087.94 × 12,678.96
  4. Step 4: Simplify right side
    26,761.62x = 508,273,324.35
  5. Step 5: Solve for x
    x = 508,273,324.35/26,761.62
  6. Step 6: Final answer
    x = 18,992.62

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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.