Home / 19,072.20-28,608.03-7,377.15

Finding the Fourth Proportional to 19,072.20, 28,608.03 and 7,377.15

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Solution

The fourth proportional to 19,072.20, 28,608.03 and 7,377.15 is: 11,065.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.20 : 28,608.03 = 7,377.15 : x
  2. Step 2: Convert to fraction form
    19,072.20/28,608.03 = 7,377.15/x
  3. Step 3: Cross multiply
    19,072.20x = 28,608.03 × 7,377.15
  4. Step 4: Simplify right side
    19,072.20x = 211,045,728.51
  5. Step 5: Solve for x
    x = 211,045,728.51/19,072.20
  6. Step 6: Final answer
    x = 11,065.62

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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.