Home / 17,408.16-26,104.32-10,391.28

Finding the Fourth Proportional to 17,408.16, 26,104.32 and 10,391.28

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Solution

The fourth proportional to 17,408.16, 26,104.32 and 10,391.28 is: 15,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,408.16 : 26,104.32 = 10,391.28 : x
  2. Step 2: Convert to fraction form
    17,408.16/26,104.32 = 10,391.28/x
  3. Step 3: Cross multiply
    17,408.16x = 26,104.32 × 10,391.28
  4. Step 4: Simplify right side
    17,408.16x = 271,257,298.33
  5. Step 5: Solve for x
    x = 271,257,298.33/17,408.16
  6. Step 6: Final answer
    x = 15,582.19

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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.