Home / 27,478.78-41,204.31-19,576.78

Finding the Fourth Proportional to 27,478.78, 41,204.31 and 19,576.78

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Solution

The fourth proportional to 27,478.78, 41,204.31 and 19,576.78 is: 29,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.78 : 41,204.31 = 19,576.78 : x
  2. Step 2: Convert to fraction form
    27,478.78/41,204.31 = 19,576.78/x
  3. Step 3: Cross multiply
    27,478.78x = 41,204.31 × 19,576.78
  4. Step 4: Simplify right side
    27,478.78x = 806,647,711.92
  5. Step 5: Solve for x
    x = 806,647,711.92/27,478.78
  6. Step 6: Final answer
    x = 29,355.30

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1.5x scale

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.