Home / 27,247.78-37,616.16-18,342.24

Finding the Fourth Proportional to 27,247.78, 37,616.16 and 18,342.24

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Solution

The fourth proportional to 27,247.78, 37,616.16 and 18,342.24 is: 25,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,247.78 : 37,616.16 = 18,342.24 : x
  2. Step 2: Convert to fraction form
    27,247.78/37,616.16 = 18,342.24/x
  3. Step 3: Cross multiply
    27,247.78x = 37,616.16 × 18,342.24
  4. Step 4: Simplify right side
    27,247.78x = 689,964,634.60
  5. Step 5: Solve for x
    x = 689,964,634.60/27,247.78
  6. Step 6: Final answer
    x = 25,321.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.