Home / 19,027.42-28,545.89-7,181.17

Finding the Fourth Proportional to 19,027.42, 28,545.89 and 7,181.17

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Solution

The fourth proportional to 19,027.42, 28,545.89 and 7,181.17 is: 10,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.42 : 28,545.89 = 7,181.17 : x
  2. Step 2: Convert to fraction form
    19,027.42/28,545.89 = 7,181.17/x
  3. Step 3: Cross multiply
    19,027.42x = 28,545.89 × 7,181.17
  4. Step 4: Simplify right side
    19,027.42x = 204,992,781.62
  5. Step 5: Solve for x
    x = 204,992,781.62/19,027.42
  6. Step 6: Final answer
    x = 10,773.55

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1.5x scale

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.