Home / 28,964.56-43,449.38-8,188.06

Finding the Fourth Proportional to 28,964.56, 43,449.38 and 8,188.06

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Solution

The fourth proportional to 28,964.56, 43,449.38 and 8,188.06 is: 12,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.56 : 43,449.38 = 8,188.06 : x
  2. Step 2: Convert to fraction form
    28,964.56/43,449.38 = 8,188.06/x
  3. Step 3: Cross multiply
    28,964.56x = 43,449.38 × 8,188.06
  4. Step 4: Simplify right side
    28,964.56x = 355,766,130.40
  5. Step 5: Solve for x
    x = 355,766,130.40/28,964.56
  6. Step 6: Final answer
    x = 12,282.81

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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.