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Finding the Fourth Proportional to 22,089.81, 33,137.56 and 8,047.65

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Solution

The fourth proportional to 22,089.81, 33,137.56 and 8,047.65 is: 12,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,089.81 : 33,137.56 = 8,047.65 : x
  2. Step 2: Convert to fraction form
    22,089.81/33,137.56 = 8,047.65/x
  3. Step 3: Cross multiply
    22,089.81x = 33,137.56 × 8,047.65
  4. Step 4: Simplify right side
    22,089.81x = 266,679,573.79
  5. Step 5: Solve for x
    x = 266,679,573.79/22,089.81
  6. Step 6: Final answer
    x = 12,072.51

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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.