Home / 25,827.20-38,747.40-8,297.20

Finding the Fourth Proportional to 25,827.20, 38,747.40 and 8,297.20

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Solution

The fourth proportional to 25,827.20, 38,747.40 and 8,297.20 is: 12,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,827.20 : 38,747.40 = 8,297.20 : x
  2. Step 2: Convert to fraction form
    25,827.20/38,747.40 = 8,297.20/x
  3. Step 3: Cross multiply
    25,827.20x = 38,747.40 × 8,297.20
  4. Step 4: Simplify right side
    25,827.20x = 321,494,927.28
  5. Step 5: Solve for x
    x = 321,494,927.28/25,827.20
  6. Step 6: Final answer
    x = 12,447.92

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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.