Home / 25,451.38-38,145.69-18,455.41

Finding the Fourth Proportional to 25,451.38, 38,145.69 and 18,455.41

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Solution

The fourth proportional to 25,451.38, 38,145.69 and 18,455.41 is: 27,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.38 : 38,145.69 = 18,455.41 : x
  2. Step 2: Convert to fraction form
    25,451.38/38,145.69 = 18,455.41/x
  3. Step 3: Cross multiply
    25,451.38x = 38,145.69 × 18,455.41
  4. Step 4: Simplify right side
    25,451.38x = 703,994,348.68
  5. Step 5: Solve for x
    x = 703,994,348.68/25,451.38
  6. Step 6: Final answer
    x = 27,660.36

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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.