Home / 27,402.12-41,036.94-15,679.80

Finding the Fourth Proportional to 27,402.12, 41,036.94 and 15,679.80

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Solution

The fourth proportional to 27,402.12, 41,036.94 and 15,679.80 is: 23,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,402.12 : 41,036.94 = 15,679.80 : x
  2. Step 2: Convert to fraction form
    27,402.12/41,036.94 = 15,679.80/x
  3. Step 3: Cross multiply
    27,402.12x = 41,036.94 × 15,679.80
  4. Step 4: Simplify right side
    27,402.12x = 643,451,011.81
  5. Step 5: Solve for x
    x = 643,451,011.81/27,402.12
  6. Step 6: Final answer
    x = 23,481.80

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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.