Home / 21,936.48-32,895.67-8,425.61

Finding the Fourth Proportional to 21,936.48, 32,895.67 and 8,425.61

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Solution

The fourth proportional to 21,936.48, 32,895.67 and 8,425.61 is: 12,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936.48 : 32,895.67 = 8,425.61 : x
  2. Step 2: Convert to fraction form
    21,936.48/32,895.67 = 8,425.61/x
  3. Step 3: Cross multiply
    21,936.48x = 32,895.67 × 8,425.61
  4. Step 4: Simplify right side
    21,936.48x = 277,166,086.11
  5. Step 5: Solve for x
    x = 277,166,086.11/21,936.48
  6. Step 6: Final answer
    x = 12,634.94

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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.