Home / 27,979.23-41,954.59-13,748.65

Finding the Fourth Proportional to 27,979.23, 41,954.59 and 13,748.65

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Solution

The fourth proportional to 27,979.23, 41,954.59 and 13,748.65 is: 20,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.23 : 41,954.59 = 13,748.65 : x
  2. Step 2: Convert to fraction form
    27,979.23/41,954.59 = 13,748.65/x
  3. Step 3: Cross multiply
    27,979.23x = 41,954.59 × 13,748.65
  4. Step 4: Simplify right side
    27,979.23x = 576,819,009.95
  5. Step 5: Solve for x
    x = 576,819,009.95/27,979.23
  6. Step 6: Final answer
    x = 20,615.97

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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.