Home / 28,719.74-43,063.40-11,169.48

Finding the Fourth Proportional to 28,719.74, 43,063.40 and 11,169.48

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Solution

The fourth proportional to 28,719.74, 43,063.40 and 11,169.48 is: 16,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,719.74 : 43,063.40 = 11,169.48 : x
  2. Step 2: Convert to fraction form
    28,719.74/43,063.40 = 11,169.48/x
  3. Step 3: Cross multiply
    28,719.74x = 43,063.40 × 11,169.48
  4. Step 4: Simplify right side
    28,719.74x = 480,995,785.03
  5. Step 5: Solve for x
    x = 480,995,785.03/28,719.74
  6. Step 6: Final answer
    x = 16,747.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.