Home / 28,537.18-39,379.17-15,959.50

Finding the Fourth Proportional to 28,537.18, 39,379.17 and 15,959.50

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Solution

The fourth proportional to 28,537.18, 39,379.17 and 15,959.50 is: 22,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.18 : 39,379.17 = 15,959.50 : x
  2. Step 2: Convert to fraction form
    28,537.18/39,379.17 = 15,959.50/x
  3. Step 3: Cross multiply
    28,537.18x = 39,379.17 × 15,959.50
  4. Step 4: Simplify right side
    28,537.18x = 628,471,863.62
  5. Step 5: Solve for x
    x = 628,471,863.62/28,537.18
  6. Step 6: Final answer
    x = 22,022.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.