Home / 25,956.18-38,930.57-8,184.54

Finding the Fourth Proportional to 25,956.18, 38,930.57 and 8,184.54

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Solution

The fourth proportional to 25,956.18, 38,930.57 and 8,184.54 is: 12,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,956.18 : 38,930.57 = 8,184.54 : x
  2. Step 2: Convert to fraction form
    25,956.18/38,930.57 = 8,184.54/x
  3. Step 3: Cross multiply
    25,956.18x = 38,930.57 × 8,184.54
  4. Step 4: Simplify right side
    25,956.18x = 318,628,766.47
  5. Step 5: Solve for x
    x = 318,628,766.47/25,956.18
  6. Step 6: Final answer
    x = 12,275.64

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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.