Home / 84,515.92-126,794.94-25,352.74

Finding the Fourth Proportional to 84,515.92, 126,794.94 and 25,352.74

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Solution

The fourth proportional to 84,515.92, 126,794.94 and 25,352.74 is: 38,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,515.92 : 126,794.94 = 25,352.74 : x
  2. Step 2: Convert to fraction form
    84,515.92/126,794.94 = 25,352.74/x
  3. Step 3: Cross multiply
    84,515.92x = 126,794.94 × 25,352.74
  4. Step 4: Simplify right side
    84,515.92x = 3,214,599,147.14
  5. Step 5: Solve for x
    x = 3,214,599,147.14/84,515.92
  6. Step 6: Final answer
    x = 38,035.43

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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.