Home / 20,059.91-27,706.10-16,040.61

Finding the Fourth Proportional to 20,059.91, 27,706.10 and 16,040.61

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Solution

The fourth proportional to 20,059.91, 27,706.10 and 16,040.61 is: 22,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.91 : 27,706.10 = 16,040.61 : x
  2. Step 2: Convert to fraction form
    20,059.91/27,706.10 = 16,040.61/x
  3. Step 3: Cross multiply
    20,059.91x = 27,706.10 × 16,040.61
  4. Step 4: Simplify right side
    20,059.91x = 444,422,664.52
  5. Step 5: Solve for x
    x = 444,422,664.52/20,059.91
  6. Step 6: Final answer
    x = 22,154.77

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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.