Home / 15,606.82-23,408.49-3,920.07

Finding the Fourth Proportional to 15,606.82, 23,408.49 and 3,920.07

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Solution

The fourth proportional to 15,606.82, 23,408.49 and 3,920.07 is: 5,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.82 : 23,408.49 = 3,920.07 : x
  2. Step 2: Convert to fraction form
    15,606.82/23,408.49 = 3,920.07/x
  3. Step 3: Cross multiply
    15,606.82x = 23,408.49 × 3,920.07
  4. Step 4: Simplify right side
    15,606.82x = 91,762,919.39
  5. Step 5: Solve for x
    x = 91,762,919.39/15,606.82
  6. Step 6: Final answer
    x = 5,879.67

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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.