Home / 27,630.78-41,433.99-7,904.85

Finding the Fourth Proportional to 27,630.78, 41,433.99 and 7,904.85

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Solution

The fourth proportional to 27,630.78, 41,433.99 and 7,904.85 is: 11,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630.78 : 41,433.99 = 7,904.85 : x
  2. Step 2: Convert to fraction form
    27,630.78/41,433.99 = 7,904.85/x
  3. Step 3: Cross multiply
    27,630.78x = 41,433.99 × 7,904.85
  4. Step 4: Simplify right side
    27,630.78x = 327,529,475.85
  5. Step 5: Solve for x
    x = 327,529,475.85/27,630.78
  6. Step 6: Final answer
    x = 11,853.79

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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.