Home / 27,930.62-41,839.83-12,916.69

Finding the Fourth Proportional to 27,930.62, 41,839.83 and 12,916.69

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Solution

The fourth proportional to 27,930.62, 41,839.83 and 12,916.69 is: 19,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.62 : 41,839.83 = 12,916.69 : x
  2. Step 2: Convert to fraction form
    27,930.62/41,839.83 = 12,916.69/x
  3. Step 3: Cross multiply
    27,930.62x = 41,839.83 × 12,916.69
  4. Step 4: Simplify right side
    27,930.62x = 540,432,197.03
  5. Step 5: Solve for x
    x = 540,432,197.03/27,930.62
  6. Step 6: Final answer
    x = 19,349.10

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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.