Home / 19,231.73-28,847.60-5,380.73

Finding the Fourth Proportional to 19,231.73, 28,847.60 and 5,380.73

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Solution

The fourth proportional to 19,231.73, 28,847.60 and 5,380.73 is: 8,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.73 : 28,847.60 = 5,380.73 : x
  2. Step 2: Convert to fraction form
    19,231.73/28,847.60 = 5,380.73/x
  3. Step 3: Cross multiply
    19,231.73x = 28,847.60 × 5,380.73
  4. Step 4: Simplify right side
    19,231.73x = 155,221,146.75
  5. Step 5: Solve for x
    x = 155,221,146.75/19,231.73
  6. Step 6: Final answer
    x = 8,071.10

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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.