Home / 25,716.40-38,566.28-8,182.12

Finding the Fourth Proportional to 25,716.40, 38,566.28 and 8,182.12

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Solution

The fourth proportional to 25,716.40, 38,566.28 and 8,182.12 is: 12,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.40 : 38,566.28 = 8,182.12 : x
  2. Step 2: Convert to fraction form
    25,716.40/38,566.28 = 8,182.12/x
  3. Step 3: Cross multiply
    25,716.40x = 38,566.28 × 8,182.12
  4. Step 4: Simplify right side
    25,716.40x = 315,553,930.91
  5. Step 5: Solve for x
    x = 315,553,930.91/25,716.40
  6. Step 6: Final answer
    x = 12,270.53

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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.