Home / 26,860.14-40,297.50-8,139.42

Finding the Fourth Proportional to 26,860.14, 40,297.50 and 8,139.42

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Solution

The fourth proportional to 26,860.14, 40,297.50 and 8,139.42 is: 12,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,860.14 : 40,297.50 = 8,139.42 : x
  2. Step 2: Convert to fraction form
    26,860.14/40,297.50 = 8,139.42/x
  3. Step 3: Cross multiply
    26,860.14x = 40,297.50 × 8,139.42
  4. Step 4: Simplify right side
    26,860.14x = 327,998,277.45
  5. Step 5: Solve for x
    x = 327,998,277.45/26,860.14
  6. Step 6: Final answer
    x = 12,211.34

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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.