Home / 19,072.56-28,601.82-6,589.38

Finding the Fourth Proportional to 19,072.56, 28,601.82 and 6,589.38

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Solution

The fourth proportional to 19,072.56, 28,601.82 and 6,589.38 is: 9,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.56 : 28,601.82 = 6,589.38 : x
  2. Step 2: Convert to fraction form
    19,072.56/28,601.82 = 6,589.38/x
  3. Step 3: Cross multiply
    19,072.56x = 28,601.82 × 6,589.38
  4. Step 4: Simplify right side
    19,072.56x = 188,468,260.67
  5. Step 5: Solve for x
    x = 188,468,260.67/19,072.56
  6. Step 6: Final answer
    x = 9,881.64

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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.