Home / 28,998.38-43,514.33-15,671.43

Finding the Fourth Proportional to 28,998.38, 43,514.33 and 15,671.43

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Solution

The fourth proportional to 28,998.38, 43,514.33 and 15,671.43 is: 23,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.38 : 43,514.33 = 15,671.43 : x
  2. Step 2: Convert to fraction form
    28,998.38/43,514.33 = 15,671.43/x
  3. Step 3: Cross multiply
    28,998.38x = 43,514.33 × 15,671.43
  4. Step 4: Simplify right side
    28,998.38x = 681,931,698.23
  5. Step 5: Solve for x
    x = 681,931,698.23/28,998.38
  6. Step 6: Final answer
    x = 23,516.20

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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.