Home / 20,034.35-27,645.67-11,079.62

Finding the Fourth Proportional to 20,034.35, 27,645.67 and 11,079.62

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Solution

The fourth proportional to 20,034.35, 27,645.67 and 11,079.62 is: 15,288.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.35 : 27,645.67 = 11,079.62 : x
  2. Step 2: Convert to fraction form
    20,034.35/27,645.67 = 11,079.62/x
  3. Step 3: Cross multiply
    20,034.35x = 27,645.67 × 11,079.62
  4. Step 4: Simplify right side
    20,034.35x = 306,303,497.54
  5. Step 5: Solve for x
    x = 306,303,497.54/20,034.35
  6. Step 6: Final answer
    x = 15,288.92

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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.