Home / 21,829.58-32,744.55-11,963.48

Finding the Fourth Proportional to 21,829.58, 32,744.55 and 11,963.48

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Solution

The fourth proportional to 21,829.58, 32,744.55 and 11,963.48 is: 17,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,829.58 : 32,744.55 = 11,963.48 : x
  2. Step 2: Convert to fraction form
    21,829.58/32,744.55 = 11,963.48/x
  3. Step 3: Cross multiply
    21,829.58x = 32,744.55 × 11,963.48
  4. Step 4: Simplify right side
    21,829.58x = 391,738,769.03
  5. Step 5: Solve for x
    x = 391,738,769.03/21,829.58
  6. Step 6: Final answer
    x = 17,945.32

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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.