Home / 26,556.87-36,645.14-17,961.78

Finding the Fourth Proportional to 26,556.87, 36,645.14 and 17,961.78

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Solution

The fourth proportional to 26,556.87, 36,645.14 and 17,961.78 is: 24,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.87 : 36,645.14 = 17,961.78 : x
  2. Step 2: Convert to fraction form
    26,556.87/36,645.14 = 17,961.78/x
  3. Step 3: Cross multiply
    26,556.87x = 36,645.14 × 17,961.78
  4. Step 4: Simplify right side
    26,556.87x = 658,211,852.94
  5. Step 5: Solve for x
    x = 658,211,852.94/26,556.87
  6. Step 6: Final answer
    x = 24,784.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.