Home / 19,329.43-28,992.32-6,178.27

Finding the Fourth Proportional to 19,329.43, 28,992.32 and 6,178.27

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Solution

The fourth proportional to 19,329.43, 28,992.32 and 6,178.27 is: 9,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.43 : 28,992.32 = 6,178.27 : x
  2. Step 2: Convert to fraction form
    19,329.43/28,992.32 = 6,178.27/x
  3. Step 3: Cross multiply
    19,329.43x = 28,992.32 × 6,178.27
  4. Step 4: Simplify right side
    19,329.43x = 179,122,380.89
  5. Step 5: Solve for x
    x = 179,122,380.89/19,329.43
  6. Step 6: Final answer
    x = 9,266.82

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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.