Home / 38,236.27-52,760.20-21,238.95

Finding the Fourth Proportional to 38,236.27, 52,760.20 and 21,238.95

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Solution

The fourth proportional to 38,236.27, 52,760.20 and 21,238.95 is: 29,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,236.27 : 52,760.20 = 21,238.95 : x
  2. Step 2: Convert to fraction form
    38,236.27/52,760.20 = 21,238.95/x
  3. Step 3: Cross multiply
    38,236.27x = 52,760.20 × 21,238.95
  4. Step 4: Simplify right side
    38,236.27x = 1,120,571,033.53
  5. Step 5: Solve for x
    x = 1,120,571,033.53/38,236.27
  6. Step 6: Final answer
    x = 29,306.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.