Home / 25,286.92-37,930.39-8,647.11

Finding the Fourth Proportional to 25,286.92, 37,930.39 and 8,647.11

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Solution

The fourth proportional to 25,286.92, 37,930.39 and 8,647.11 is: 12,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.92 : 37,930.39 = 8,647.11 : x
  2. Step 2: Convert to fraction form
    25,286.92/37,930.39 = 8,647.11/x
  3. Step 3: Cross multiply
    25,286.92x = 37,930.39 × 8,647.11
  4. Step 4: Simplify right side
    25,286.92x = 327,988,281.70
  5. Step 5: Solve for x
    x = 327,988,281.70/25,286.92
  6. Step 6: Final answer
    x = 12,970.67

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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.