Home / 25,653.26-38,484.75-8,121.62

Finding the Fourth Proportional to 25,653.26, 38,484.75 and 8,121.62

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Solution

The fourth proportional to 25,653.26, 38,484.75 and 8,121.62 is: 12,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653.26 : 38,484.75 = 8,121.62 : x
  2. Step 2: Convert to fraction form
    25,653.26/38,484.75 = 8,121.62/x
  3. Step 3: Cross multiply
    25,653.26x = 38,484.75 × 8,121.62
  4. Step 4: Simplify right side
    25,653.26x = 312,558,515.30
  5. Step 5: Solve for x
    x = 312,558,515.30/25,653.26
  6. Step 6: Final answer
    x = 12,183.97

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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.