Home / 26,812.92-40,206.60-12,021.96

Finding the Fourth Proportional to 26,812.92, 40,206.60 and 12,021.96

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Solution

The fourth proportional to 26,812.92, 40,206.60 and 12,021.96 is: 18,027.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,812.92 : 40,206.60 = 12,021.96 : x
  2. Step 2: Convert to fraction form
    26,812.92/40,206.60 = 12,021.96/x
  3. Step 3: Cross multiply
    26,812.92x = 40,206.60 × 12,021.96
  4. Step 4: Simplify right side
    26,812.92x = 483,362,136.94
  5. Step 5: Solve for x
    x = 483,362,136.94/26,812.92
  6. Step 6: Final answer
    x = 18,027.21

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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.