Home / 27,942.03-41,856.82-12,928.01

Finding the Fourth Proportional to 27,942.03, 41,856.82 and 12,928.01

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Solution

The fourth proportional to 27,942.03, 41,856.82 and 12,928.01 is: 19,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.03 : 41,856.82 = 12,928.01 : x
  2. Step 2: Convert to fraction form
    27,942.03/41,856.82 = 12,928.01/x
  3. Step 3: Cross multiply
    27,942.03x = 41,856.82 × 12,928.01
  4. Step 4: Simplify right side
    27,942.03x = 541,125,145.92
  5. Step 5: Solve for x
    x = 541,125,145.92/27,942.03
  6. Step 6: Final answer
    x = 19,365.99

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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.