Home / 20,895.27-31,342.91-5,100.27

Finding the Fourth Proportional to 20,895.27, 31,342.91 and 5,100.27

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Solution

The fourth proportional to 20,895.27, 31,342.91 and 5,100.27 is: 7,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895.27 : 31,342.91 = 5,100.27 : x
  2. Step 2: Convert to fraction form
    20,895.27/31,342.91 = 5,100.27/x
  3. Step 3: Cross multiply
    20,895.27x = 31,342.91 × 5,100.27
  4. Step 4: Simplify right side
    20,895.27x = 159,857,278.08
  5. Step 5: Solve for x
    x = 159,857,278.08/20,895.27
  6. Step 6: Final answer
    x = 7,650.41

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Similar ratio
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1.5x scale

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.