Home / 18,895.05-28,337.49-5,743.89

Finding the Fourth Proportional to 18,895.05, 28,337.49 and 5,743.89

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Solution

The fourth proportional to 18,895.05, 28,337.49 and 5,743.89 is: 8,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.05 : 28,337.49 = 5,743.89 : x
  2. Step 2: Convert to fraction form
    18,895.05/28,337.49 = 5,743.89/x
  3. Step 3: Cross multiply
    18,895.05x = 28,337.49 × 5,743.89
  4. Step 4: Simplify right side
    18,895.05x = 162,767,425.44
  5. Step 5: Solve for x
    x = 162,767,425.44/18,895.05
  6. Step 6: Final answer
    x = 8,614.29

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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.