Home / 25,286.58-34,801.85-18,561.56

Finding the Fourth Proportional to 25,286.58, 34,801.85 and 18,561.56

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Solution

The fourth proportional to 25,286.58, 34,801.85 and 18,561.56 is: 25,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.58 : 34,801.85 = 18,561.56 : x
  2. Step 2: Convert to fraction form
    25,286.58/34,801.85 = 18,561.56/x
  3. Step 3: Cross multiply
    25,286.58x = 34,801.85 × 18,561.56
  4. Step 4: Simplify right side
    25,286.58x = 645,976,499.28
  5. Step 5: Solve for x
    x = 645,976,499.28/25,286.58
  6. Step 6: Final answer
    x = 25,546.22

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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.