Home / 25,277.98-37,940.25-12,806.68

Finding the Fourth Proportional to 25,277.98, 37,940.25 and 12,806.68

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Solution

The fourth proportional to 25,277.98, 37,940.25 and 12,806.68 is: 19,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,277.98 : 37,940.25 = 12,806.68 : x
  2. Step 2: Convert to fraction form
    25,277.98/37,940.25 = 12,806.68/x
  3. Step 3: Cross multiply
    25,277.98x = 37,940.25 × 12,806.68
  4. Step 4: Simplify right side
    25,277.98x = 485,888,640.87
  5. Step 5: Solve for x
    x = 485,888,640.87/25,277.98
  6. Step 6: Final answer
    x = 19,221.81

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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.