Home / 18,766.35-28,168.97-14,040

Finding the Fourth Proportional to 18,766.35, 28,168.97 and 14,040

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Solution

The fourth proportional to 18,766.35, 28,168.97 and 14,040 is: 21,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.35 : 28,168.97 = 14,040 : x
  2. Step 2: Convert to fraction form
    18,766.35/28,168.97 = 14,040/x
  3. Step 3: Cross multiply
    18,766.35x = 28,168.97 × 14,040
  4. Step 4: Simplify right side
    18,766.35x = 395,492,268.60
  5. Step 5: Solve for x
    x = 395,492,268.60/18,766.35
  6. Step 6: Final answer
    x = 21,074.54

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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.