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Finding the Fourth Proportional to 22,521.55, 33,786.89 and 6,726.89

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Solution

The fourth proportional to 22,521.55, 33,786.89 and 6,726.89 is: 10,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,521.55 : 33,786.89 = 6,726.89 : x
  2. Step 2: Convert to fraction form
    22,521.55/33,786.89 = 6,726.89/x
  3. Step 3: Cross multiply
    22,521.55x = 33,786.89 × 6,726.89
  4. Step 4: Simplify right side
    22,521.55x = 227,280,692.47
  5. Step 5: Solve for x
    x = 227,280,692.47/22,521.55
  6. Step 6: Final answer
    x = 10,091.70

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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.