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Finding the Fourth Proportional to 22,014.90, 33,022.35 and 17,640.90

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Solution

The fourth proportional to 22,014.90, 33,022.35 and 17,640.90 is: 26,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.90 : 33,022.35 = 17,640.90 : x
  2. Step 2: Convert to fraction form
    22,014.90/33,022.35 = 17,640.90/x
  3. Step 3: Cross multiply
    22,014.90x = 33,022.35 × 17,640.90
  4. Step 4: Simplify right side
    22,014.90x = 582,543,974.12
  5. Step 5: Solve for x
    x = 582,543,974.12/22,014.90
  6. Step 6: Final answer
    x = 26,461.35

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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.