Home / 25,688.53-38,532.67-8,159.73

Finding the Fourth Proportional to 25,688.53, 38,532.67 and 8,159.73

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Solution

The fourth proportional to 25,688.53, 38,532.67 and 8,159.73 is: 12,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.53 : 38,532.67 = 8,159.73 : x
  2. Step 2: Convert to fraction form
    25,688.53/38,532.67 = 8,159.73/x
  3. Step 3: Cross multiply
    25,688.53x = 38,532.67 × 8,159.73
  4. Step 4: Simplify right side
    25,688.53x = 314,416,183.38
  5. Step 5: Solve for x
    x = 314,416,183.38/25,688.53
  6. Step 6: Final answer
    x = 12,239.56

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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.