Home / 21,996.22-33,007.83-18,343.66

Finding the Fourth Proportional to 21,996.22, 33,007.83 and 18,343.66

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Solution

The fourth proportional to 21,996.22, 33,007.83 and 18,343.66 is: 27,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.22 : 33,007.83 = 18,343.66 : x
  2. Step 2: Convert to fraction form
    21,996.22/33,007.83 = 18,343.66/x
  3. Step 3: Cross multiply
    21,996.22x = 33,007.83 × 18,343.66
  4. Step 4: Simplify right side
    21,996.22x = 605,484,410.86
  5. Step 5: Solve for x
    x = 605,484,410.86/21,996.22
  6. Step 6: Final answer
    x = 27,526.75

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1.5x scale

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.