Home / 19,957.86-27,542.97-11,459.95

Finding the Fourth Proportional to 19,957.86, 27,542.97 and 11,459.95

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Solution

The fourth proportional to 19,957.86, 27,542.97 and 11,459.95 is: 15,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.86 : 27,542.97 = 11,459.95 : x
  2. Step 2: Convert to fraction form
    19,957.86/27,542.97 = 11,459.95/x
  3. Step 3: Cross multiply
    19,957.86x = 27,542.97 × 11,459.95
  4. Step 4: Simplify right side
    19,957.86x = 315,640,990.19
  5. Step 5: Solve for x
    x = 315,640,990.19/19,957.86
  6. Step 6: Final answer
    x = 15,815.37

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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.