Home / 27,425.09-41,129.48-11,629.88

Finding the Fourth Proportional to 27,425.09, 41,129.48 and 11,629.88

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Solution

The fourth proportional to 27,425.09, 41,129.48 and 11,629.88 is: 17,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.09 : 41,129.48 = 11,629.88 : x
  2. Step 2: Convert to fraction form
    27,425.09/41,129.48 = 11,629.88/x
  3. Step 3: Cross multiply
    27,425.09x = 41,129.48 × 11,629.88
  4. Step 4: Simplify right side
    27,425.09x = 478,331,060.46
  5. Step 5: Solve for x
    x = 478,331,060.46/27,425.09
  6. Step 6: Final answer
    x = 17,441.37

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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.