Home / 13,725.92-20,588.64-3,337.60

Finding the Fourth Proportional to 13,725.92, 20,588.64 and 3,337.60

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Solution

The fourth proportional to 13,725.92, 20,588.64 and 3,337.60 is: 5,006.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.92 : 20,588.64 = 3,337.60 : x
  2. Step 2: Convert to fraction form
    13,725.92/20,588.64 = 3,337.60/x
  3. Step 3: Cross multiply
    13,725.92x = 20,588.64 × 3,337.60
  4. Step 4: Simplify right side
    13,725.92x = 68,716,644.86
  5. Step 5: Solve for x
    x = 68,716,644.86/13,725.92
  6. Step 6: Final answer
    x = 5,006.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.