Home / 25,757.46-35,539.83-15,143.22

Finding the Fourth Proportional to 25,757.46, 35,539.83 and 15,143.22

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Solution

The fourth proportional to 25,757.46, 35,539.83 and 15,143.22 is: 20,894.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,757.46 : 35,539.83 = 15,143.22 : x
  2. Step 2: Convert to fraction form
    25,757.46/35,539.83 = 15,143.22/x
  3. Step 3: Cross multiply
    25,757.46x = 35,539.83 × 15,143.22
  4. Step 4: Simplify right side
    25,757.46x = 538,187,464.45
  5. Step 5: Solve for x
    x = 538,187,464.45/25,757.46
  6. Step 6: Final answer
    x = 20,894.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.