Home / 27,732.38-38,266.26-15,795.95

Finding the Fourth Proportional to 27,732.38, 38,266.26 and 15,795.95

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Solution

The fourth proportional to 27,732.38, 38,266.26 and 15,795.95 is: 21,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.38 : 38,266.26 = 15,795.95 : x
  2. Step 2: Convert to fraction form
    27,732.38/38,266.26 = 15,795.95/x
  3. Step 3: Cross multiply
    27,732.38x = 38,266.26 × 15,795.95
  4. Step 4: Simplify right side
    27,732.38x = 604,451,929.65
  5. Step 5: Solve for x
    x = 604,451,929.65/27,732.38
  6. Step 6: Final answer
    x = 21,795.89

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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.