Home / 19,662.85-27,136.82-17,217.87

Finding the Fourth Proportional to 19,662.85, 27,136.82 and 17,217.87

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Solution

The fourth proportional to 19,662.85, 27,136.82 and 17,217.87 is: 23,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.85 : 27,136.82 = 17,217.87 : x
  2. Step 2: Convert to fraction form
    19,662.85/27,136.82 = 17,217.87/x
  3. Step 3: Cross multiply
    19,662.85x = 27,136.82 × 17,217.87
  4. Step 4: Simplify right side
    19,662.85x = 467,238,180.25
  5. Step 5: Solve for x
    x = 467,238,180.25/19,662.85
  6. Step 6: Final answer
    x = 23,762.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.