Home / 25,521.73-38,286.68-8,886.49

Finding the Fourth Proportional to 25,521.73, 38,286.68 and 8,886.49

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Solution

The fourth proportional to 25,521.73, 38,286.68 and 8,886.49 is: 13,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.73 : 38,286.68 = 8,886.49 : x
  2. Step 2: Convert to fraction form
    25,521.73/38,286.68 = 8,886.49/x
  3. Step 3: Cross multiply
    25,521.73x = 38,286.68 × 8,886.49
  4. Step 4: Simplify right side
    25,521.73x = 340,234,198.95
  5. Step 5: Solve for x
    x = 340,234,198.95/25,521.73
  6. Step 6: Final answer
    x = 13,331.16

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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.