Home / 27,040.72-40,561.56-11,455.44

Finding the Fourth Proportional to 27,040.72, 40,561.56 and 11,455.44

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Solution

The fourth proportional to 27,040.72, 40,561.56 and 11,455.44 is: 17,183.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,040.72 : 40,561.56 = 11,455.44 : x
  2. Step 2: Convert to fraction form
    27,040.72/40,561.56 = 11,455.44/x
  3. Step 3: Cross multiply
    27,040.72x = 40,561.56 × 11,455.44
  4. Step 4: Simplify right side
    27,040.72x = 464,650,516.89
  5. Step 5: Solve for x
    x = 464,650,516.89/27,040.72
  6. Step 6: Final answer
    x = 17,183.36

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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.