Home / 27,760.88-41,574.60-15,878.63

Finding the Fourth Proportional to 27,760.88, 41,574.60 and 15,878.63

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Solution

The fourth proportional to 27,760.88, 41,574.60 and 15,878.63 is: 23,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760.88 : 41,574.60 = 15,878.63 : x
  2. Step 2: Convert to fraction form
    27,760.88/41,574.60 = 15,878.63/x
  3. Step 3: Cross multiply
    27,760.88x = 41,574.60 × 15,878.63
  4. Step 4: Simplify right side
    27,760.88x = 660,147,794.73
  5. Step 5: Solve for x
    x = 660,147,794.73/27,760.88
  6. Step 6: Final answer
    x = 23,779.78

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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.