Home / 27,819.63-41,716.76-12,017.21

Finding the Fourth Proportional to 27,819.63, 41,716.76 and 12,017.21

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Solution

The fourth proportional to 27,819.63, 41,716.76 and 12,017.21 is: 18,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819.63 : 41,716.76 = 12,017.21 : x
  2. Step 2: Convert to fraction form
    27,819.63/41,716.76 = 12,017.21/x
  3. Step 3: Cross multiply
    27,819.63x = 41,716.76 × 12,017.21
  4. Step 4: Simplify right side
    27,819.63x = 501,318,796.77
  5. Step 5: Solve for x
    x = 501,318,796.77/27,819.63
  6. Step 6: Final answer
    x = 18,020.33

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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.