Home / 26,198-36,156.90-16,786.61

Finding the Fourth Proportional to 26,198, 36,156.90 and 16,786.61

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Solution

The fourth proportional to 26,198, 36,156.90 and 16,786.61 is: 23,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,198 : 36,156.90 = 16,786.61 : x
  2. Step 2: Convert to fraction form
    26,198/36,156.90 = 16,786.61/x
  3. Step 3: Cross multiply
    26,198x = 36,156.90 × 16,786.61
  4. Step 4: Simplify right side
    26,198x = 606,951,779.11
  5. Step 5: Solve for x
    x = 606,951,779.11/26,198
  6. Step 6: Final answer
    x = 23,167.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.