Home / 28,998.39-43,514.31-15,671.42

Finding the Fourth Proportional to 28,998.39, 43,514.31 and 15,671.42

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Solution

The fourth proportional to 28,998.39, 43,514.31 and 15,671.42 is: 23,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.39 : 43,514.31 = 15,671.42 : x
  2. Step 2: Convert to fraction form
    28,998.39/43,514.31 = 15,671.42/x
  3. Step 3: Cross multiply
    28,998.39x = 43,514.31 × 15,671.42
  4. Step 4: Simplify right side
    28,998.39x = 681,930,810.45
  5. Step 5: Solve for x
    x = 681,930,810.45/28,998.39
  6. Step 6: Final answer
    x = 23,516.16

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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.