Home / 22,230.36-33,369.03-21,728.38

Finding the Fourth Proportional to 22,230.36, 33,369.03 and 21,728.38

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Solution

The fourth proportional to 22,230.36, 33,369.03 and 21,728.38 is: 32,615.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230.36 : 33,369.03 = 21,728.38 : x
  2. Step 2: Convert to fraction form
    22,230.36/33,369.03 = 21,728.38/x
  3. Step 3: Cross multiply
    22,230.36x = 33,369.03 × 21,728.38
  4. Step 4: Simplify right side
    22,230.36x = 725,054,964.07
  5. Step 5: Solve for x
    x = 725,054,964.07/22,230.36
  6. Step 6: Final answer
    x = 32,615.53

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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.