Home / 28,964.28-43,449.84-9,235.92

Finding the Fourth Proportional to 28,964.28, 43,449.84 and 9,235.92

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Solution

The fourth proportional to 28,964.28, 43,449.84 and 9,235.92 is: 13,854.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.28 : 43,449.84 = 9,235.92 : x
  2. Step 2: Convert to fraction form
    28,964.28/43,449.84 = 9,235.92/x
  3. Step 3: Cross multiply
    28,964.28x = 43,449.84 × 9,235.92
  4. Step 4: Simplify right side
    28,964.28x = 401,299,246.25
  5. Step 5: Solve for x
    x = 401,299,246.25/28,964.28
  6. Step 6: Final answer
    x = 13,854.97

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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.