Home / 25,974.20-38,961.30-21,594.80

Finding the Fourth Proportional to 25,974.20, 38,961.30 and 21,594.80

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Solution

The fourth proportional to 25,974.20, 38,961.30 and 21,594.80 is: 32,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,974.20 : 38,961.30 = 21,594.80 : x
  2. Step 2: Convert to fraction form
    25,974.20/38,961.30 = 21,594.80/x
  3. Step 3: Cross multiply
    25,974.20x = 38,961.30 × 21,594.80
  4. Step 4: Simplify right side
    25,974.20x = 841,361,481.24
  5. Step 5: Solve for x
    x = 841,361,481.24/25,974.20
  6. Step 6: Final answer
    x = 32,392.20

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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.