Home / 20,081.60-27,717.24-13,367.50

Finding the Fourth Proportional to 20,081.60, 27,717.24 and 13,367.50

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Solution

The fourth proportional to 20,081.60, 27,717.24 and 13,367.50 is: 18,450.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,081.60 : 27,717.24 = 13,367.50 : x
  2. Step 2: Convert to fraction form
    20,081.60/27,717.24 = 13,367.50/x
  3. Step 3: Cross multiply
    20,081.60x = 27,717.24 × 13,367.50
  4. Step 4: Simplify right side
    20,081.60x = 370,510,205.70
  5. Step 5: Solve for x
    x = 370,510,205.70/20,081.60
  6. Step 6: Final answer
    x = 18,450.23

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1.5x scale

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.