Home / 27,631.78-41,446.64-7,910.30

Finding the Fourth Proportional to 27,631.78, 41,446.64 and 7,910.30

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Solution

The fourth proportional to 27,631.78, 41,446.64 and 7,910.30 is: 11,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.78 : 41,446.64 = 7,910.30 : x
  2. Step 2: Convert to fraction form
    27,631.78/41,446.64 = 7,910.30/x
  3. Step 3: Cross multiply
    27,631.78x = 41,446.64 × 7,910.30
  4. Step 4: Simplify right side
    27,631.78x = 327,855,356.39
  5. Step 5: Solve for x
    x = 327,855,356.39/27,631.78
  6. Step 6: Final answer
    x = 11,865.16

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1.5x scale

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.