Home / 28,996.66-43,567.89-18,471.42

Finding the Fourth Proportional to 28,996.66, 43,567.89 and 18,471.42

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Solution

The fourth proportional to 28,996.66, 43,567.89 and 18,471.42 is: 27,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.66 : 43,567.89 = 18,471.42 : x
  2. Step 2: Convert to fraction form
    28,996.66/43,567.89 = 18,471.42/x
  3. Step 3: Cross multiply
    28,996.66x = 43,567.89 × 18,471.42
  4. Step 4: Simplify right side
    28,996.66x = 804,760,794.70
  5. Step 5: Solve for x
    x = 804,760,794.70/28,996.66
  6. Step 6: Final answer
    x = 27,753.57

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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.