Home / 28,747.00-43,136.90-11,212.73

Finding the Fourth Proportional to 28,747.00, 43,136.90 and 11,212.73

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Solution

The fourth proportional to 28,747.00, 43,136.90 and 11,212.73 is: 16,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.00 : 43,136.90 = 11,212.73 : x
  2. Step 2: Convert to fraction form
    28,747.00/43,136.90 = 11,212.73/x
  3. Step 3: Cross multiply
    28,747.00x = 43,136.90 × 11,212.73
  4. Step 4: Simplify right side
    28,747.00x = 483,682,407.87
  5. Step 5: Solve for x
    x = 483,682,407.87/28,747.00
  6. Step 6: Final answer
    x = 16,825.49

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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.