Home / 26,806.80-40,180.10-12,582.26

Finding the Fourth Proportional to 26,806.80, 40,180.10 and 12,582.26

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Solution

The fourth proportional to 26,806.80, 40,180.10 and 12,582.26 is: 18,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,806.80 : 40,180.10 = 12,582.26 : x
  2. Step 2: Convert to fraction form
    26,806.80/40,180.10 = 12,582.26/x
  3. Step 3: Cross multiply
    26,806.80x = 40,180.10 × 12,582.26
  4. Step 4: Simplify right side
    26,806.80x = 505,556,201.21
  5. Step 5: Solve for x
    x = 505,556,201.21/26,806.80
  6. Step 6: Final answer
    x = 18,859.25

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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.