Home / 27,676.25-38,189.37-15,738.27

Finding the Fourth Proportional to 27,676.25, 38,189.37 and 15,738.27

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Solution

The fourth proportional to 27,676.25, 38,189.37 and 15,738.27 is: 21,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.25 : 38,189.37 = 15,738.27 : x
  2. Step 2: Convert to fraction form
    27,676.25/38,189.37 = 15,738.27/x
  3. Step 3: Cross multiply
    27,676.25x = 38,189.37 × 15,738.27
  4. Step 4: Simplify right side
    27,676.25x = 601,034,425.24
  5. Step 5: Solve for x
    x = 601,034,425.24/27,676.25
  6. Step 6: Final answer
    x = 21,716.61

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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.