Home / 21,957.38-32,937.74-8,623.95

Finding the Fourth Proportional to 21,957.38, 32,937.74 and 8,623.95

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Solution

The fourth proportional to 21,957.38, 32,937.74 and 8,623.95 is: 12,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,957.38 : 32,937.74 = 8,623.95 : x
  2. Step 2: Convert to fraction form
    21,957.38/32,937.74 = 8,623.95/x
  3. Step 3: Cross multiply
    21,957.38x = 32,937.74 × 8,623.95
  4. Step 4: Simplify right side
    21,957.38x = 284,053,379.75
  5. Step 5: Solve for x
    x = 284,053,379.75/21,957.38
  6. Step 6: Final answer
    x = 12,936.58

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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.