Home / 27,879.73-38,456.52-16,541.20

Finding the Fourth Proportional to 27,879.73, 38,456.52 and 16,541.20

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Solution

The fourth proportional to 27,879.73, 38,456.52 and 16,541.20 is: 22,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,879.73 : 38,456.52 = 16,541.20 : x
  2. Step 2: Convert to fraction form
    27,879.73/38,456.52 = 16,541.20/x
  3. Step 3: Cross multiply
    27,879.73x = 38,456.52 × 16,541.20
  4. Step 4: Simplify right side
    27,879.73x = 636,116,796.34
  5. Step 5: Solve for x
    x = 636,116,796.34/27,879.73
  6. Step 6: Final answer
    x = 22,816.47

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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.