Home / 19,027.29-28,545.70-7,181.04

Finding the Fourth Proportional to 19,027.29, 28,545.70 and 7,181.04

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Solution

The fourth proportional to 19,027.29, 28,545.70 and 7,181.04 is: 10,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.29 : 28,545.70 = 7,181.04 : x
  2. Step 2: Convert to fraction form
    19,027.29/28,545.70 = 7,181.04/x
  3. Step 3: Cross multiply
    19,027.29x = 28,545.70 × 7,181.04
  4. Step 4: Simplify right side
    19,027.29x = 204,987,813.53
  5. Step 5: Solve for x
    x = 204,987,813.53/19,027.29
  6. Step 6: Final answer
    x = 10,773.36

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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.