Home / 20,502.96-28,408.13-20,059.92

Finding the Fourth Proportional to 20,502.96, 28,408.13 and 20,059.92

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Solution

The fourth proportional to 20,502.96, 28,408.13 and 20,059.92 is: 27,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502.96 : 28,408.13 = 20,059.92 : x
  2. Step 2: Convert to fraction form
    20,502.96/28,408.13 = 20,059.92/x
  3. Step 3: Cross multiply
    20,502.96x = 28,408.13 × 20,059.92
  4. Step 4: Simplify right side
    20,502.96x = 569,864,815.15
  5. Step 5: Solve for x
    x = 569,864,815.15/20,502.96
  6. Step 6: Final answer
    x = 27,794.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.