Home / 27,919.24-41,892.62-13,129.48

Finding the Fourth Proportional to 27,919.24, 41,892.62 and 13,129.48

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Solution

The fourth proportional to 27,919.24, 41,892.62 and 13,129.48 is: 19,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.24 : 41,892.62 = 13,129.48 : x
  2. Step 2: Convert to fraction form
    27,919.24/41,892.62 = 13,129.48/x
  3. Step 3: Cross multiply
    27,919.24x = 41,892.62 × 13,129.48
  4. Step 4: Simplify right side
    27,919.24x = 550,028,316.44
  5. Step 5: Solve for x
    x = 550,028,316.44/27,919.24
  6. Step 6: Final answer
    x = 19,700.69

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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.