Home / 19,274.96-28,919.52-13,771.61

Finding the Fourth Proportional to 19,274.96, 28,919.52 and 13,771.61

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Solution

The fourth proportional to 19,274.96, 28,919.52 and 13,771.61 is: 20,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.96 : 28,919.52 = 13,771.61 : x
  2. Step 2: Convert to fraction form
    19,274.96/28,919.52 = 13,771.61/x
  3. Step 3: Cross multiply
    19,274.96x = 28,919.52 × 13,771.61
  4. Step 4: Simplify right side
    19,274.96x = 398,268,206.23
  5. Step 5: Solve for x
    x = 398,268,206.23/19,274.96
  6. Step 6: Final answer
    x = 20,662.47

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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.