Home / 25,474.20-38,211.30-18,562.20

Finding the Fourth Proportional to 25,474.20, 38,211.30 and 18,562.20

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Solution

The fourth proportional to 25,474.20, 38,211.30 and 18,562.20 is: 27,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,474.20 : 38,211.30 = 18,562.20 : x
  2. Step 2: Convert to fraction form
    25,474.20/38,211.30 = 18,562.20/x
  3. Step 3: Cross multiply
    25,474.20x = 38,211.30 × 18,562.20
  4. Step 4: Simplify right side
    25,474.20x = 709,285,792.86
  5. Step 5: Solve for x
    x = 709,285,792.86/25,474.20
  6. Step 6: Final answer
    x = 27,843.30

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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.