Home / 27,390.36-41,081.41-8,667.96

Finding the Fourth Proportional to 27,390.36, 41,081.41 and 8,667.96

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Solution

The fourth proportional to 27,390.36, 41,081.41 and 8,667.96 is: 13,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.36 : 41,081.41 = 8,667.96 : x
  2. Step 2: Convert to fraction form
    27,390.36/41,081.41 = 8,667.96/x
  3. Step 3: Cross multiply
    27,390.36x = 41,081.41 × 8,667.96
  4. Step 4: Simplify right side
    27,390.36x = 356,092,018.62
  5. Step 5: Solve for x
    x = 356,092,018.62/27,390.36
  6. Step 6: Final answer
    x = 13,000.63

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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.