Home / 20,040.44-27,656.62-11,087.80

Finding the Fourth Proportional to 20,040.44, 27,656.62 and 11,087.80

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Solution

The fourth proportional to 20,040.44, 27,656.62 and 11,087.80 is: 15,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.44 : 27,656.62 = 11,087.80 : x
  2. Step 2: Convert to fraction form
    20,040.44/27,656.62 = 11,087.80/x
  3. Step 3: Cross multiply
    20,040.44x = 27,656.62 × 11,087.80
  4. Step 4: Simplify right side
    20,040.44x = 306,651,029.81
  5. Step 5: Solve for x
    x = 306,651,029.81/20,040.44
  6. Step 6: Final answer
    x = 15,301.61

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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.