Home / 25,286.56-37,937.20-7,758.96

Finding the Fourth Proportional to 25,286.56, 37,937.20 and 7,758.96

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Solution

The fourth proportional to 25,286.56, 37,937.20 and 7,758.96 is: 11,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.56 : 37,937.20 = 7,758.96 : x
  2. Step 2: Convert to fraction form
    25,286.56/37,937.20 = 7,758.96/x
  3. Step 3: Cross multiply
    25,286.56x = 37,937.20 × 7,758.96
  4. Step 4: Simplify right side
    25,286.56x = 294,353,217.31
  5. Step 5: Solve for x
    x = 294,353,217.31/25,286.56
  6. Step 6: Final answer
    x = 11,640.70

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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.