Home / 27,145.53-40,696.83-17,637.75

Finding the Fourth Proportional to 27,145.53, 40,696.83 and 17,637.75

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Solution

The fourth proportional to 27,145.53, 40,696.83 and 17,637.75 is: 26,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.53 : 40,696.83 = 17,637.75 : x
  2. Step 2: Convert to fraction form
    27,145.53/40,696.83 = 17,637.75/x
  3. Step 3: Cross multiply
    27,145.53x = 40,696.83 × 17,637.75
  4. Step 4: Simplify right side
    27,145.53x = 717,800,513.33
  5. Step 5: Solve for x
    x = 717,800,513.33/27,145.53
  6. Step 6: Final answer
    x = 26,442.68

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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.