Home / 26,442.38-39,667.23-8,917.22

Finding the Fourth Proportional to 26,442.38, 39,667.23 and 8,917.22

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Solution

The fourth proportional to 26,442.38, 39,667.23 and 8,917.22 is: 13,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.38 : 39,667.23 = 8,917.22 : x
  2. Step 2: Convert to fraction form
    26,442.38/39,667.23 = 8,917.22/x
  3. Step 3: Cross multiply
    26,442.38x = 39,667.23 × 8,917.22
  4. Step 4: Simplify right side
    26,442.38x = 353,721,515.87
  5. Step 5: Solve for x
    x = 353,721,515.87/26,442.38
  6. Step 6: Final answer
    x = 13,377.07

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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.