Home / 28,964.28-43,445.96-9,242.72

Finding the Fourth Proportional to 28,964.28, 43,445.96 and 9,242.72

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Solution

The fourth proportional to 28,964.28, 43,445.96 and 9,242.72 is: 13,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.28 : 43,445.96 = 9,242.72 : x
  2. Step 2: Convert to fraction form
    28,964.28/43,445.96 = 9,242.72/x
  3. Step 3: Cross multiply
    28,964.28x = 43,445.96 × 9,242.72
  4. Step 4: Simplify right side
    28,964.28x = 401,558,843.41
  5. Step 5: Solve for x
    x = 401,558,843.41/28,964.28
  6. Step 6: Final answer
    x = 13,863.93

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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.