Home / 28,669.14-43,003.71-8,949.23

Finding the Fourth Proportional to 28,669.14, 43,003.71 and 8,949.23

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Solution

The fourth proportional to 28,669.14, 43,003.71 and 8,949.23 is: 13,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.14 : 43,003.71 = 8,949.23 : x
  2. Step 2: Convert to fraction form
    28,669.14/43,003.71 = 8,949.23/x
  3. Step 3: Cross multiply
    28,669.14x = 43,003.71 × 8,949.23
  4. Step 4: Simplify right side
    28,669.14x = 384,850,279.78
  5. Step 5: Solve for x
    x = 384,850,279.78/28,669.14
  6. Step 6: Final answer
    x = 13,423.85

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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.