Home / 25,453.45-38,180.22-10,450.12

Finding the Fourth Proportional to 25,453.45, 38,180.22 and 10,450.12

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Solution

The fourth proportional to 25,453.45, 38,180.22 and 10,450.12 is: 15,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.45 : 38,180.22 = 10,450.12 : x
  2. Step 2: Convert to fraction form
    25,453.45/38,180.22 = 10,450.12/x
  3. Step 3: Cross multiply
    25,453.45x = 38,180.22 × 10,450.12
  4. Step 4: Simplify right side
    25,453.45x = 398,987,791.58
  5. Step 5: Solve for x
    x = 398,987,791.58/25,453.45
  6. Step 6: Final answer
    x = 15,675.20

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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.