Home / 17,721.99-26,587.54-5,241.51

Finding the Fourth Proportional to 17,721.99, 26,587.54 and 5,241.51

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Solution

The fourth proportional to 17,721.99, 26,587.54 and 5,241.51 is: 7,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.99 : 26,587.54 = 5,241.51 : x
  2. Step 2: Convert to fraction form
    17,721.99/26,587.54 = 5,241.51/x
  3. Step 3: Cross multiply
    17,721.99x = 26,587.54 × 5,241.51
  4. Step 4: Simplify right side
    17,721.99x = 139,358,843.68
  5. Step 5: Solve for x
    x = 139,358,843.68/17,721.99
  6. Step 6: Final answer
    x = 7,863.61

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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.