Home / 27,849.13-41,782.36-9,129.33

Finding the Fourth Proportional to 27,849.13, 41,782.36 and 9,129.33

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Solution

The fourth proportional to 27,849.13, 41,782.36 and 9,129.33 is: 13,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,849.13 : 41,782.36 = 9,129.33 : x
  2. Step 2: Convert to fraction form
    27,849.13/41,782.36 = 9,129.33/x
  3. Step 3: Cross multiply
    27,849.13x = 41,782.36 × 9,129.33
  4. Step 4: Simplify right side
    27,849.13x = 381,444,952.62
  5. Step 5: Solve for x
    x = 381,444,952.62/27,849.13
  6. Step 6: Final answer
    x = 13,696.84

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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.