Home / 28,964.92-43,379.26-14,127.32

Finding the Fourth Proportional to 28,964.92, 43,379.26 and 14,127.32

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Solution

The fourth proportional to 28,964.92, 43,379.26 and 14,127.32 is: 21,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.92 : 43,379.26 = 14,127.32 : x
  2. Step 2: Convert to fraction form
    28,964.92/43,379.26 = 14,127.32/x
  3. Step 3: Cross multiply
    28,964.92x = 43,379.26 × 14,127.32
  4. Step 4: Simplify right side
    28,964.92x = 612,832,687.38
  5. Step 5: Solve for x
    x = 612,832,687.38/28,964.92
  6. Step 6: Final answer
    x = 21,157.76

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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.