Home / 22,418.64-33,635.25-18,705.60

Finding the Fourth Proportional to 22,418.64, 33,635.25 and 18,705.60

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Solution

The fourth proportional to 22,418.64, 33,635.25 and 18,705.60 is: 28,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.64 : 33,635.25 = 18,705.60 : x
  2. Step 2: Convert to fraction form
    22,418.64/33,635.25 = 18,705.60/x
  3. Step 3: Cross multiply
    22,418.64x = 33,635.25 × 18,705.60
  4. Step 4: Simplify right side
    22,418.64x = 629,167,532.40
  5. Step 5: Solve for x
    x = 629,167,532.40/22,418.64
  6. Step 6: Final answer
    x = 28,064.48

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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.