Home / 18,853.38-28,324.08-17,789.39

Finding the Fourth Proportional to 18,853.38, 28,324.08 and 17,789.39

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Solution

The fourth proportional to 18,853.38, 28,324.08 and 17,789.39 is: 26,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.38 : 28,324.08 = 17,789.39 : x
  2. Step 2: Convert to fraction form
    18,853.38/28,324.08 = 17,789.39/x
  3. Step 3: Cross multiply
    18,853.38x = 28,324.08 × 17,789.39
  4. Step 4: Simplify right side
    18,853.38x = 503,867,963.89
  5. Step 5: Solve for x
    x = 503,867,963.89/18,853.38
  6. Step 6: Final answer
    x = 26,725.60

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1.5x scale

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.