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Finding the Fourth Proportional to 22,028.77, 33,060.70 and 7,992.83

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Solution

The fourth proportional to 22,028.77, 33,060.70 and 7,992.83 is: 11,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.77 : 33,060.70 = 7,992.83 : x
  2. Step 2: Convert to fraction form
    22,028.77/33,060.70 = 7,992.83/x
  3. Step 3: Cross multiply
    22,028.77x = 33,060.70 × 7,992.83
  4. Step 4: Simplify right side
    22,028.77x = 264,248,438.98
  5. Step 5: Solve for x
    x = 264,248,438.98/22,028.77
  6. Step 6: Final answer
    x = 11,995.61

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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.