Home / 25,747.84-38,622.68-8,880.76

Finding the Fourth Proportional to 25,747.84, 38,622.68 and 8,880.76

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Solution

The fourth proportional to 25,747.84, 38,622.68 and 8,880.76 is: 13,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.84 : 38,622.68 = 8,880.76 : x
  2. Step 2: Convert to fraction form
    25,747.84/38,622.68 = 8,880.76/x
  3. Step 3: Cross multiply
    25,747.84x = 38,622.68 × 8,880.76
  4. Step 4: Simplify right side
    25,747.84x = 342,998,751.64
  5. Step 5: Solve for x
    x = 342,998,751.64/25,747.84
  6. Step 6: Final answer
    x = 13,321.46

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Similar ratio
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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.