Home / 28,741.28-39,662.56-16,166

Finding the Fourth Proportional to 28,741.28, 39,662.56 and 16,166

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Solution

The fourth proportional to 28,741.28, 39,662.56 and 16,166 is: 22,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.28 : 39,662.56 = 16,166 : x
  2. Step 2: Convert to fraction form
    28,741.28/39,662.56 = 16,166/x
  3. Step 3: Cross multiply
    28,741.28x = 39,662.56 × 16,166
  4. Step 4: Simplify right side
    28,741.28x = 641,184,944.96
  5. Step 5: Solve for x
    x = 641,184,944.96/28,741.28
  6. Step 6: Final answer
    x = 22,308.85

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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.