Home / 28,783.27-43,171.37-7,724.96

Finding the Fourth Proportional to 28,783.27, 43,171.37 and 7,724.96

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Solution

The fourth proportional to 28,783.27, 43,171.37 and 7,724.96 is: 11,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.27 : 43,171.37 = 7,724.96 : x
  2. Step 2: Convert to fraction form
    28,783.27/43,171.37 = 7,724.96/x
  3. Step 3: Cross multiply
    28,783.27x = 43,171.37 × 7,724.96
  4. Step 4: Simplify right side
    28,783.27x = 333,497,175.70
  5. Step 5: Solve for x
    x = 333,497,175.70/28,783.27
  6. Step 6: Final answer
    x = 11,586.49

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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.