Home / 20,609.27-28,441.89-13,052.84

Finding the Fourth Proportional to 20,609.27, 28,441.89 and 13,052.84

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Solution

The fourth proportional to 20,609.27, 28,441.89 and 13,052.84 is: 18,013.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609.27 : 28,441.89 = 13,052.84 : x
  2. Step 2: Convert to fraction form
    20,609.27/28,441.89 = 13,052.84/x
  3. Step 3: Cross multiply
    20,609.27x = 28,441.89 × 13,052.84
  4. Step 4: Simplify right side
    20,609.27x = 371,247,297.26
  5. Step 5: Solve for x
    x = 371,247,297.26/20,609.27
  6. Step 6: Final answer
    x = 18,013.61

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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.