Home / 28,724.25-43,086.39-9,004.34

Finding the Fourth Proportional to 28,724.25, 43,086.39 and 9,004.34

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Solution

The fourth proportional to 28,724.25, 43,086.39 and 9,004.34 is: 13,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.25 : 43,086.39 = 9,004.34 : x
  2. Step 2: Convert to fraction form
    28,724.25/43,086.39 = 9,004.34/x
  3. Step 3: Cross multiply
    28,724.25x = 43,086.39 × 9,004.34
  4. Step 4: Simplify right side
    28,724.25x = 387,964,504.93
  5. Step 5: Solve for x
    x = 387,964,504.93/28,724.25
  6. Step 6: Final answer
    x = 13,506.51

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Similar ratio
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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.