Home / 27,613.60-41,379.44-20,281.76

Finding the Fourth Proportional to 27,613.60, 41,379.44 and 20,281.76

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Solution

The fourth proportional to 27,613.60, 41,379.44 and 20,281.76 is: 30,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.60 : 41,379.44 = 20,281.76 : x
  2. Step 2: Convert to fraction form
    27,613.60/41,379.44 = 20,281.76/x
  3. Step 3: Cross multiply
    27,613.60x = 41,379.44 × 20,281.76
  4. Step 4: Simplify right side
    27,613.60x = 839,247,871.01
  5. Step 5: Solve for x
    x = 839,247,871.01/27,613.60
  6. Step 6: Final answer
    x = 30,392.56

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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.