Home / 19,165.14-28,772.01-18,377.82

Finding the Fourth Proportional to 19,165.14, 28,772.01 and 18,377.82

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Solution

The fourth proportional to 19,165.14, 28,772.01 and 18,377.82 is: 27,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.14 : 28,772.01 = 18,377.82 : x
  2. Step 2: Convert to fraction form
    19,165.14/28,772.01 = 18,377.82/x
  3. Step 3: Cross multiply
    19,165.14x = 28,772.01 × 18,377.82
  4. Step 4: Simplify right side
    19,165.14x = 528,766,820.82
  5. Step 5: Solve for x
    x = 528,766,820.82/19,165.14
  6. Step 6: Final answer
    x = 27,590.03

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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.