Home / 25,228.20-37,842.30-21,469.80

Finding the Fourth Proportional to 25,228.20, 37,842.30 and 21,469.80

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Solution

The fourth proportional to 25,228.20, 37,842.30 and 21,469.80 is: 32,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,228.20 : 37,842.30 = 21,469.80 : x
  2. Step 2: Convert to fraction form
    25,228.20/37,842.30 = 21,469.80/x
  3. Step 3: Cross multiply
    25,228.20x = 37,842.30 × 21,469.80
  4. Step 4: Simplify right side
    25,228.20x = 812,466,612.54
  5. Step 5: Solve for x
    x = 812,466,612.54/25,228.20
  6. Step 6: Final answer
    x = 32,204.70

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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.