Home / 27,747.68-38,292.48-15,173.36

Finding the Fourth Proportional to 27,747.68, 38,292.48 and 15,173.36

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Solution

The fourth proportional to 27,747.68, 38,292.48 and 15,173.36 is: 20,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747.68 : 38,292.48 = 15,173.36 : x
  2. Step 2: Convert to fraction form
    27,747.68/38,292.48 = 15,173.36/x
  3. Step 3: Cross multiply
    27,747.68x = 38,292.48 × 15,173.36
  4. Step 4: Simplify right side
    27,747.68x = 581,025,584.33
  5. Step 5: Solve for x
    x = 581,025,584.33/27,747.68
  6. Step 6: Final answer
    x = 20,939.61

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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.