Home / 18,268.93-27,380.92-14,555.89

Finding the Fourth Proportional to 18,268.93, 27,380.92 and 14,555.89

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Solution

The fourth proportional to 18,268.93, 27,380.92 and 14,555.89 is: 21,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.93 : 27,380.92 = 14,555.89 : x
  2. Step 2: Convert to fraction form
    18,268.93/27,380.92 = 14,555.89/x
  3. Step 3: Cross multiply
    18,268.93x = 27,380.92 × 14,555.89
  4. Step 4: Simplify right side
    18,268.93x = 398,553,659.62
  5. Step 5: Solve for x
    x = 398,553,659.62/18,268.93
  6. Step 6: Final answer
    x = 21,815.93

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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.