Home / 18,975.43-28,463.96-5,828.32

Finding the Fourth Proportional to 18,975.43, 28,463.96 and 5,828.32

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Solution

The fourth proportional to 18,975.43, 28,463.96 and 5,828.32 is: 8,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.43 : 28,463.96 = 5,828.32 : x
  2. Step 2: Convert to fraction form
    18,975.43/28,463.96 = 5,828.32/x
  3. Step 3: Cross multiply
    18,975.43x = 28,463.96 × 5,828.32
  4. Step 4: Simplify right side
    18,975.43x = 165,897,067.35
  5. Step 5: Solve for x
    x = 165,897,067.35/18,975.43
  6. Step 6: Final answer
    x = 8,742.73

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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.