Home / 25,581.42-38,379.42-18,568.44

Finding the Fourth Proportional to 25,581.42, 38,379.42 and 18,568.44

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Solution

The fourth proportional to 25,581.42, 38,379.42 and 18,568.44 is: 27,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,581.42 : 38,379.42 = 18,568.44 : x
  2. Step 2: Convert to fraction form
    25,581.42/38,379.42 = 18,568.44/x
  3. Step 3: Cross multiply
    25,581.42x = 38,379.42 × 18,568.44
  4. Step 4: Simplify right side
    25,581.42x = 712,645,957.50
  5. Step 5: Solve for x
    x = 712,645,957.50/25,581.42
  6. Step 6: Final answer
    x = 27,857.95

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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.