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Finding the Fourth Proportional to 22,035.66, 33,039.12 and 7,993.08

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Solution

The fourth proportional to 22,035.66, 33,039.12 and 7,993.08 is: 11,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035.66 : 33,039.12 = 7,993.08 : x
  2. Step 2: Convert to fraction form
    22,035.66/33,039.12 = 7,993.08/x
  3. Step 3: Cross multiply
    22,035.66x = 33,039.12 × 7,993.08
  4. Step 4: Simplify right side
    22,035.66x = 264,084,329.29
  5. Step 5: Solve for x
    x = 264,084,329.29/22,035.66
  6. Step 6: Final answer
    x = 11,984.41

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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.