Home / 21,941.69-32,859.77-12,553.28

Finding the Fourth Proportional to 21,941.69, 32,859.77 and 12,553.28

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Solution

The fourth proportional to 21,941.69, 32,859.77 and 12,553.28 is: 18,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,941.69 : 32,859.77 = 12,553.28 : x
  2. Step 2: Convert to fraction form
    21,941.69/32,859.77 = 12,553.28/x
  3. Step 3: Cross multiply
    21,941.69x = 32,859.77 × 12,553.28
  4. Step 4: Simplify right side
    21,941.69x = 412,497,666.48
  5. Step 5: Solve for x
    x = 412,497,666.48/21,941.69
  6. Step 6: Final answer
    x = 18,799.73

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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.