Home / 26,987.06-37,240.38-15,049.70

Finding the Fourth Proportional to 26,987.06, 37,240.38 and 15,049.70

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Solution

The fourth proportional to 26,987.06, 37,240.38 and 15,049.70 is: 20,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.06 : 37,240.38 = 15,049.70 : x
  2. Step 2: Convert to fraction form
    26,987.06/37,240.38 = 15,049.70/x
  3. Step 3: Cross multiply
    26,987.06x = 37,240.38 × 15,049.70
  4. Step 4: Simplify right side
    26,987.06x = 560,456,546.89
  5. Step 5: Solve for x
    x = 560,456,546.89/26,987.06
  6. Step 6: Final answer
    x = 20,767.60

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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.