Home / 27,052.72-37,273.35-20,218.12

Finding the Fourth Proportional to 27,052.72, 37,273.35 and 20,218.12

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Solution

The fourth proportional to 27,052.72, 37,273.35 and 20,218.12 is: 27,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,052.72 : 37,273.35 = 20,218.12 : x
  2. Step 2: Convert to fraction form
    27,052.72/37,273.35 = 20,218.12/x
  3. Step 3: Cross multiply
    27,052.72x = 37,273.35 × 20,218.12
  4. Step 4: Simplify right side
    27,052.72x = 753,597,063.10
  5. Step 5: Solve for x
    x = 753,597,063.10/27,052.72
  6. Step 6: Final answer
    x = 27,856.61

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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.