Home / 27,390.74-41,081.99-8,668.34

Finding the Fourth Proportional to 27,390.74, 41,081.99 and 8,668.34

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Solution

The fourth proportional to 27,390.74, 41,081.99 and 8,668.34 is: 13,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.74 : 41,081.99 = 8,668.34 : x
  2. Step 2: Convert to fraction form
    27,390.74/41,081.99 = 8,668.34/x
  3. Step 3: Cross multiply
    27,390.74x = 41,081.99 × 8,668.34
  4. Step 4: Simplify right side
    27,390.74x = 356,112,732.90
  5. Step 5: Solve for x
    x = 356,112,732.90/27,390.74
  6. Step 6: Final answer
    x = 13,001.21

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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.