Home / 25,760.14-38,639.40-8,229.58

Finding the Fourth Proportional to 25,760.14, 38,639.40 and 8,229.58

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Solution

The fourth proportional to 25,760.14, 38,639.40 and 8,229.58 is: 12,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760.14 : 38,639.40 = 8,229.58 : x
  2. Step 2: Convert to fraction form
    25,760.14/38,639.40 = 8,229.58/x
  3. Step 3: Cross multiply
    25,760.14x = 38,639.40 × 8,229.58
  4. Step 4: Simplify right side
    25,760.14x = 317,986,033.45
  5. Step 5: Solve for x
    x = 317,986,033.45/25,760.14
  6. Step 6: Final answer
    x = 12,344.11

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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.