Home / 26,979.06-40,469.80-10,116.06

Finding the Fourth Proportional to 26,979.06, 40,469.80 and 10,116.06

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Solution

The fourth proportional to 26,979.06, 40,469.80 and 10,116.06 is: 15,174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.06 : 40,469.80 = 10,116.06 : x
  2. Step 2: Convert to fraction form
    26,979.06/40,469.80 = 10,116.06/x
  3. Step 3: Cross multiply
    26,979.06x = 40,469.80 × 10,116.06
  4. Step 4: Simplify right side
    26,979.06x = 409,394,924.99
  5. Step 5: Solve for x
    x = 409,394,924.99/26,979.06
  6. Step 6: Final answer
    x = 15,174.54

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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.