Home / 28,709.96-43,084.62-11,179.88

Finding the Fourth Proportional to 28,709.96, 43,084.62 and 11,179.88

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Solution

The fourth proportional to 28,709.96, 43,084.62 and 11,179.88 is: 16,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.96 : 43,084.62 = 11,179.88 : x
  2. Step 2: Convert to fraction form
    28,709.96/43,084.62 = 11,179.88/x
  3. Step 3: Cross multiply
    28,709.96x = 43,084.62 × 11,179.88
  4. Step 4: Simplify right side
    28,709.96x = 481,680,881.45
  5. Step 5: Solve for x
    x = 481,680,881.45/28,709.96
  6. Step 6: Final answer
    x = 16,777.48

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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.