Home / 18,889.44-28,337.94-10,581.27

Finding the Fourth Proportional to 18,889.44, 28,337.94 and 10,581.27

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Solution

The fourth proportional to 18,889.44, 28,337.94 and 10,581.27 is: 15,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889.44 : 28,337.94 = 10,581.27 : x
  2. Step 2: Convert to fraction form
    18,889.44/28,337.94 = 10,581.27/x
  3. Step 3: Cross multiply
    18,889.44x = 28,337.94 × 10,581.27
  4. Step 4: Simplify right side
    18,889.44x = 299,851,394.38
  5. Step 5: Solve for x
    x = 299,851,394.38/18,889.44
  6. Step 6: Final answer
    x = 15,874.02

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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.