Home / 28,757.32-43,136.31-9,035.84

Finding the Fourth Proportional to 28,757.32, 43,136.31 and 9,035.84

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Solution

The fourth proportional to 28,757.32, 43,136.31 and 9,035.84 is: 13,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.32 : 43,136.31 = 9,035.84 : x
  2. Step 2: Convert to fraction form
    28,757.32/43,136.31 = 9,035.84/x
  3. Step 3: Cross multiply
    28,757.32x = 43,136.31 × 9,035.84
  4. Step 4: Simplify right side
    28,757.32x = 389,772,795.35
  5. Step 5: Solve for x
    x = 389,772,795.35/28,757.32
  6. Step 6: Final answer
    x = 13,553.86

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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.