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Finding the Fourth Proportional to 28,007.97, 41,968.20 and 16,169.01

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Solution

The fourth proportional to 28,007.97, 41,968.20 and 16,169.01 is: 24,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007.97 : 41,968.20 = 16,169.01 : x
  2. Step 2: Convert to fraction form
    28,007.97/41,968.20 = 16,169.01/x
  3. Step 3: Cross multiply
    28,007.97x = 41,968.20 × 16,169.01
  4. Step 4: Simplify right side
    28,007.97x = 678,584,245.48
  5. Step 5: Solve for x
    x = 678,584,245.48/28,007.97
  6. Step 6: Final answer
    x = 24,228.26

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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.