Home / 26,231.81-39,357.44-12,199.37

Finding the Fourth Proportional to 26,231.81, 39,357.44 and 12,199.37

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Solution

The fourth proportional to 26,231.81, 39,357.44 and 12,199.37 is: 18,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.81 : 39,357.44 = 12,199.37 : x
  2. Step 2: Convert to fraction form
    26,231.81/39,357.44 = 12,199.37/x
  3. Step 3: Cross multiply
    26,231.81x = 39,357.44 × 12,199.37
  4. Step 4: Simplify right side
    26,231.81x = 480,135,911.82
  5. Step 5: Solve for x
    x = 480,135,911.82/26,231.81
  6. Step 6: Final answer
    x = 18,303.58

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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.