Home / 19,971.91-29,952.72-5,928.61

Finding the Fourth Proportional to 19,971.91, 29,952.72 and 5,928.61

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Solution

The fourth proportional to 19,971.91, 29,952.72 and 5,928.61 is: 8,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.91 : 29,952.72 = 5,928.61 : x
  2. Step 2: Convert to fraction form
    19,971.91/29,952.72 = 5,928.61/x
  3. Step 3: Cross multiply
    19,971.91x = 29,952.72 × 5,928.61
  4. Step 4: Simplify right side
    19,971.91x = 177,577,920.44
  5. Step 5: Solve for x
    x = 177,577,920.44/19,971.91
  6. Step 6: Final answer
    x = 8,891.39

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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.