Home / 17,839.83-26,760-8,480.81

Finding the Fourth Proportional to 17,839.83, 26,760 and 8,480.81

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Solution

The fourth proportional to 17,839.83, 26,760 and 8,480.81 is: 12,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,839.83 : 26,760 = 8,480.81 : x
  2. Step 2: Convert to fraction form
    17,839.83/26,760 = 8,480.81/x
  3. Step 3: Cross multiply
    17,839.83x = 26,760 × 8,480.81
  4. Step 4: Simplify right side
    17,839.83x = 226,946,341.80
  5. Step 5: Solve for x
    x = 226,946,341.80/17,839.83
  6. Step 6: Final answer
    x = 12,721.33

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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.