Home / 25,422.41-38,115.83-18,311.24

Finding the Fourth Proportional to 25,422.41, 38,115.83 and 18,311.24

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Solution

The fourth proportional to 25,422.41, 38,115.83 and 18,311.24 is: 27,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.41 : 38,115.83 = 18,311.24 : x
  2. Step 2: Convert to fraction form
    25,422.41/38,115.83 = 18,311.24/x
  3. Step 3: Cross multiply
    25,422.41x = 38,115.83 × 18,311.24
  4. Step 4: Simplify right side
    25,422.41x = 697,948,019.37
  5. Step 5: Solve for x
    x = 697,948,019.37/25,422.41
  6. Step 6: Final answer
    x = 27,454.05

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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.