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Finding the Fourth Proportional to 22,292.67, 33,438.67 and 5,425.84

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Solution

The fourth proportional to 22,292.67, 33,438.67 and 5,425.84 is: 8,138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,292.67 : 33,438.67 = 5,425.84 : x
  2. Step 2: Convert to fraction form
    22,292.67/33,438.67 = 5,425.84/x
  3. Step 3: Cross multiply
    22,292.67x = 33,438.67 × 5,425.84
  4. Step 4: Simplify right side
    22,292.67x = 181,432,873.23
  5. Step 5: Solve for x
    x = 181,432,873.23/22,292.67
  6. Step 6: Final answer
    x = 8,138.68

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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.