Home / 26,556.53-39,859.41-13,418.14

Finding the Fourth Proportional to 26,556.53, 39,859.41 and 13,418.14

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Solution

The fourth proportional to 26,556.53, 39,859.41 and 13,418.14 is: 20,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.53 : 39,859.41 = 13,418.14 : x
  2. Step 2: Convert to fraction form
    26,556.53/39,859.41 = 13,418.14/x
  3. Step 3: Cross multiply
    26,556.53x = 39,859.41 × 13,418.14
  4. Step 4: Simplify right side
    26,556.53x = 534,838,944.40
  5. Step 5: Solve for x
    x = 534,838,944.40/26,556.53
  6. Step 6: Final answer
    x = 20,139.64

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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.