Home / 28,825.27-43,242.44-7,766.13

Finding the Fourth Proportional to 28,825.27, 43,242.44 and 7,766.13

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Solution

The fourth proportional to 28,825.27, 43,242.44 and 7,766.13 is: 11,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.27 : 43,242.44 = 7,766.13 : x
  2. Step 2: Convert to fraction form
    28,825.27/43,242.44 = 7,766.13/x
  3. Step 3: Cross multiply
    28,825.27x = 43,242.44 × 7,766.13
  4. Step 4: Simplify right side
    28,825.27x = 335,826,477.79
  5. Step 5: Solve for x
    x = 335,826,477.79/28,825.27
  6. Step 6: Final answer
    x = 11,650.42

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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.