Home / 22,128.72-33,173.64-8,287.44

Finding the Fourth Proportional to 22,128.72, 33,173.64 and 8,287.44

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Solution

The fourth proportional to 22,128.72, 33,173.64 and 8,287.44 is: 12,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128.72 : 33,173.64 = 8,287.44 : x
  2. Step 2: Convert to fraction form
    22,128.72/33,173.64 = 8,287.44/x
  3. Step 3: Cross multiply
    22,128.72x = 33,173.64 × 8,287.44
  4. Step 4: Simplify right side
    22,128.72x = 274,924,551.08
  5. Step 5: Solve for x
    x = 274,924,551.08/22,128.72
  6. Step 6: Final answer
    x = 12,423.88

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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.