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Finding the Fourth Proportional to 22,530.60, 33,714.90 and 16,698.60

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Solution

The fourth proportional to 22,530.60, 33,714.90 and 16,698.60 is: 24,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.60 : 33,714.90 = 16,698.60 : x
  2. Step 2: Convert to fraction form
    22,530.60/33,714.90 = 16,698.60/x
  3. Step 3: Cross multiply
    22,530.60x = 33,714.90 × 16,698.60
  4. Step 4: Simplify right side
    22,530.60x = 562,991,629.14
  5. Step 5: Solve for x
    x = 562,991,629.14/22,530.60
  6. Step 6: Final answer
    x = 24,987.87

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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.