Home / 28,830.03-43,243.50-7,769.73

Finding the Fourth Proportional to 28,830.03, 43,243.50 and 7,769.73

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Solution

The fourth proportional to 28,830.03, 43,243.50 and 7,769.73 is: 11,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,830.03 : 43,243.50 = 7,769.73 : x
  2. Step 2: Convert to fraction form
    28,830.03/43,243.50 = 7,769.73/x
  3. Step 3: Cross multiply
    28,830.03x = 43,243.50 × 7,769.73
  4. Step 4: Simplify right side
    28,830.03x = 335,990,388.93
  5. Step 5: Solve for x
    x = 335,990,388.93/28,830.03
  6. Step 6: Final answer
    x = 11,654.18

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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.