Home / 27,930.08-41,890.08-11,289.44

Finding the Fourth Proportional to 27,930.08, 41,890.08 and 11,289.44

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Solution

The fourth proportional to 27,930.08, 41,890.08 and 11,289.44 is: 16,932.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.08 : 41,890.08 = 11,289.44 : x
  2. Step 2: Convert to fraction form
    27,930.08/41,890.08 = 11,289.44/x
  3. Step 3: Cross multiply
    27,930.08x = 41,890.08 × 11,289.44
  4. Step 4: Simplify right side
    27,930.08x = 472,915,544.76
  5. Step 5: Solve for x
    x = 472,915,544.76/27,930.08
  6. Step 6: Final answer
    x = 16,932.12

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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.