Home / 27,618.18-41,427.30-7,896.78

Finding the Fourth Proportional to 27,618.18, 41,427.30 and 7,896.78

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Solution

The fourth proportional to 27,618.18, 41,427.30 and 7,896.78 is: 11,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.18 : 41,427.30 = 7,896.78 : x
  2. Step 2: Convert to fraction form
    27,618.18/41,427.30 = 7,896.78/x
  3. Step 3: Cross multiply
    27,618.18x = 41,427.30 × 7,896.78
  4. Step 4: Simplify right side
    27,618.18x = 327,142,274.09
  5. Step 5: Solve for x
    x = 327,142,274.09/27,618.18
  6. Step 6: Final answer
    x = 11,845.18

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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.