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Finding the Fourth Proportional to 22,480.87, 33,726.11 and 8,629.75

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Solution

The fourth proportional to 22,480.87, 33,726.11 and 8,629.75 is: 12,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480.87 : 33,726.11 = 8,629.75 : x
  2. Step 2: Convert to fraction form
    22,480.87/33,726.11 = 8,629.75/x
  3. Step 3: Cross multiply
    22,480.87x = 33,726.11 × 8,629.75
  4. Step 4: Simplify right side
    22,480.87x = 291,047,897.77
  5. Step 5: Solve for x
    x = 291,047,897.77/22,480.87
  6. Step 6: Final answer
    x = 12,946.47

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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.