Home / 21,911.24-32,863.62-8,057

Finding the Fourth Proportional to 21,911.24, 32,863.62 and 8,057

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Solution

The fourth proportional to 21,911.24, 32,863.62 and 8,057 is: 12,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911.24 : 32,863.62 = 8,057 : x
  2. Step 2: Convert to fraction form
    21,911.24/32,863.62 = 8,057/x
  3. Step 3: Cross multiply
    21,911.24x = 32,863.62 × 8,057
  4. Step 4: Simplify right side
    21,911.24x = 264,782,186.34
  5. Step 5: Solve for x
    x = 264,782,186.34/21,911.24
  6. Step 6: Final answer
    x = 12,084.31

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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.