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Finding the Fourth Proportional to 23,925, 33,015.15 and 13,169.64

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Solution

The fourth proportional to 23,925, 33,015.15 and 13,169.64 is: 18,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,925 : 33,015.15 = 13,169.64 : x
  2. Step 2: Convert to fraction form
    23,925/33,015.15 = 13,169.64/x
  3. Step 3: Cross multiply
    23,925x = 33,015.15 × 13,169.64
  4. Step 4: Simplify right side
    23,925x = 434,797,640.05
  5. Step 5: Solve for x
    x = 434,797,640.05/23,925
  6. Step 6: Final answer
    x = 18,173.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.