Home / 18,924.10-28,342.38-18,268

Finding the Fourth Proportional to 18,924.10, 28,342.38 and 18,268

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Solution

The fourth proportional to 18,924.10, 28,342.38 and 18,268 is: 27,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.10 : 28,342.38 = 18,268 : x
  2. Step 2: Convert to fraction form
    18,924.10/28,342.38 = 18,268/x
  3. Step 3: Cross multiply
    18,924.10x = 28,342.38 × 18,268
  4. Step 4: Simplify right side
    18,924.10x = 517,758,597.84
  5. Step 5: Solve for x
    x = 517,758,597.84/18,924.10
  6. Step 6: Final answer
    x = 27,359.75

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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.