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Finding the Fourth Proportional to 22,681.44, 34,021.98 and 8,830.44

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Solution

The fourth proportional to 22,681.44, 34,021.98 and 8,830.44 is: 13,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681.44 : 34,021.98 = 8,830.44 : x
  2. Step 2: Convert to fraction form
    22,681.44/34,021.98 = 8,830.44/x
  3. Step 3: Cross multiply
    22,681.44x = 34,021.98 × 8,830.44
  4. Step 4: Simplify right side
    22,681.44x = 300,429,053.07
  5. Step 5: Solve for x
    x = 300,429,053.07/22,681.44
  6. Step 6: Final answer
    x = 13,245.59

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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.