Home / 27,579.89-41,379.86-13,538.44

Finding the Fourth Proportional to 27,579.89, 41,379.86 and 13,538.44

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Solution

The fourth proportional to 27,579.89, 41,379.86 and 13,538.44 is: 20,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.89 : 41,379.86 = 13,538.44 : x
  2. Step 2: Convert to fraction form
    27,579.89/41,379.86 = 13,538.44/x
  3. Step 3: Cross multiply
    27,579.89x = 41,379.86 × 13,538.44
  4. Step 4: Simplify right side
    27,579.89x = 560,218,837.39
  5. Step 5: Solve for x
    x = 560,218,837.39/27,579.89
  6. Step 6: Final answer
    x = 20,312.58

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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.