Home / 20,683.37-28,552.97-12,732.41

Finding the Fourth Proportional to 20,683.37, 28,552.97 and 12,732.41

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Solution

The fourth proportional to 20,683.37, 28,552.97 and 12,732.41 is: 17,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,683.37 : 28,552.97 = 12,732.41 : x
  2. Step 2: Convert to fraction form
    20,683.37/28,552.97 = 12,732.41/x
  3. Step 3: Cross multiply
    20,683.37x = 28,552.97 × 12,732.41
  4. Step 4: Simplify right side
    20,683.37x = 363,548,057.10
  5. Step 5: Solve for x
    x = 363,548,057.10/20,683.37
  6. Step 6: Final answer
    x = 17,576.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.