Home / 27,619.80-41,429.70-25,481.40

Finding the Fourth Proportional to 27,619.80, 41,429.70 and 25,481.40

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Solution

The fourth proportional to 27,619.80, 41,429.70 and 25,481.40 is: 38,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.80 : 41,429.70 = 25,481.40 : x
  2. Step 2: Convert to fraction form
    27,619.80/41,429.70 = 25,481.40/x
  3. Step 3: Cross multiply
    27,619.80x = 41,429.70 × 25,481.40
  4. Step 4: Simplify right side
    27,619.80x = 1,055,686,757.58
  5. Step 5: Solve for x
    x = 1,055,686,757.58/27,619.80
  6. Step 6: Final answer
    x = 38,222.10

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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.