Home / 27,281.42-40,910.19-13,764.27

Finding the Fourth Proportional to 27,281.42, 40,910.19 and 13,764.27

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Solution

The fourth proportional to 27,281.42, 40,910.19 and 13,764.27 is: 20,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.42 : 40,910.19 = 13,764.27 : x
  2. Step 2: Convert to fraction form
    27,281.42/40,910.19 = 13,764.27/x
  3. Step 3: Cross multiply
    27,281.42x = 40,910.19 × 13,764.27
  4. Step 4: Simplify right side
    27,281.42x = 563,098,627.54
  5. Step 5: Solve for x
    x = 563,098,627.54/27,281.42
  6. Step 6: Final answer
    x = 20,640.37

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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.