Home / 26,138.36-39,207.54-10,556.12

Finding the Fourth Proportional to 26,138.36, 39,207.54 and 10,556.12

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Solution

The fourth proportional to 26,138.36, 39,207.54 and 10,556.12 is: 15,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.36 : 39,207.54 = 10,556.12 : x
  2. Step 2: Convert to fraction form
    26,138.36/39,207.54 = 10,556.12/x
  3. Step 3: Cross multiply
    26,138.36x = 39,207.54 × 10,556.12
  4. Step 4: Simplify right side
    26,138.36x = 413,879,497.14
  5. Step 5: Solve for x
    x = 413,879,497.14/26,138.36
  6. Step 6: Final answer
    x = 15,834.18

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Similar ratio
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1.5x scale

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.