Home / 27,870.35-41,805.07-11,229.98

Finding the Fourth Proportional to 27,870.35, 41,805.07 and 11,229.98

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Solution

The fourth proportional to 27,870.35, 41,805.07 and 11,229.98 is: 16,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.35 : 41,805.07 = 11,229.98 : x
  2. Step 2: Convert to fraction form
    27,870.35/41,805.07 = 11,229.98/x
  3. Step 3: Cross multiply
    27,870.35x = 41,805.07 × 11,229.98
  4. Step 4: Simplify right side
    27,870.35x = 469,470,100.00
  5. Step 5: Solve for x
    x = 469,470,100.00/27,870.35
  6. Step 6: Final answer
    x = 16,844.79

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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.