Home / 28,707.96-43,081.62-11,177.88

Finding the Fourth Proportional to 28,707.96, 43,081.62 and 11,177.88

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Solution

The fourth proportional to 28,707.96, 43,081.62 and 11,177.88 is: 16,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.96 : 43,081.62 = 11,177.88 : x
  2. Step 2: Convert to fraction form
    28,707.96/43,081.62 = 11,177.88/x
  3. Step 3: Cross multiply
    28,707.96x = 43,081.62 × 11,177.88
  4. Step 4: Simplify right side
    28,707.96x = 481,561,178.57
  5. Step 5: Solve for x
    x = 481,561,178.57/28,707.96
  6. Step 6: Final answer
    x = 16,774.48

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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.