Home / 28,933.64-43,400.00-9,211.91

Finding the Fourth Proportional to 28,933.64, 43,400.00 and 9,211.91

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Solution

The fourth proportional to 28,933.64, 43,400.00 and 9,211.91 is: 13,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.64 : 43,400.00 = 9,211.91 : x
  2. Step 2: Convert to fraction form
    28,933.64/43,400.00 = 9,211.91/x
  3. Step 3: Cross multiply
    28,933.64x = 43,400.00 × 9,211.91
  4. Step 4: Simplify right side
    28,933.64x = 399,796,630.94
  5. Step 5: Solve for x
    x = 399,796,630.94/28,933.64
  6. Step 6: Final answer
    x = 13,817.71

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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.