Home / 19,939.54-29,874.21-17,767.60

Finding the Fourth Proportional to 19,939.54, 29,874.21 and 17,767.60

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Solution

The fourth proportional to 19,939.54, 29,874.21 and 17,767.60 is: 26,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.54 : 29,874.21 = 17,767.60 : x
  2. Step 2: Convert to fraction form
    19,939.54/29,874.21 = 17,767.60/x
  3. Step 3: Cross multiply
    19,939.54x = 29,874.21 × 17,767.60
  4. Step 4: Simplify right side
    19,939.54x = 530,793,013.60
  5. Step 5: Solve for x
    x = 530,793,013.60/19,939.54
  6. Step 6: Final answer
    x = 26,620.12

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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.