Home / 21,385.75-32,091.99-10,293.61

Finding the Fourth Proportional to 21,385.75, 32,091.99 and 10,293.61

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Solution

The fourth proportional to 21,385.75, 32,091.99 and 10,293.61 is: 15,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,385.75 : 32,091.99 = 10,293.61 : x
  2. Step 2: Convert to fraction form
    21,385.75/32,091.99 = 10,293.61/x
  3. Step 3: Cross multiply
    21,385.75x = 32,091.99 × 10,293.61
  4. Step 4: Simplify right side
    21,385.75x = 330,342,429.18
  5. Step 5: Solve for x
    x = 330,342,429.18/21,385.75
  6. Step 6: Final answer
    x = 15,446.85

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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.