Home / 26,556.69-39,859.67-13,418.28

Finding the Fourth Proportional to 26,556.69, 39,859.67 and 13,418.28

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Solution

The fourth proportional to 26,556.69, 39,859.67 and 13,418.28 is: 20,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.69 : 39,859.67 = 13,418.28 : x
  2. Step 2: Convert to fraction form
    26,556.69/39,859.67 = 13,418.28/x
  3. Step 3: Cross multiply
    26,556.69x = 39,859.67 × 13,418.28
  4. Step 4: Simplify right side
    26,556.69x = 534,848,145.68
  5. Step 5: Solve for x
    x = 534,848,145.68/26,556.69
  6. Step 6: Final answer
    x = 20,139.86

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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.