Home / 27,879.90-38,456.76-16,541.37

Finding the Fourth Proportional to 27,879.90, 38,456.76 and 16,541.37

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Solution

The fourth proportional to 27,879.90, 38,456.76 and 16,541.37 is: 22,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,879.90 : 38,456.76 = 16,541.37 : x
  2. Step 2: Convert to fraction form
    27,879.90/38,456.76 = 16,541.37/x
  3. Step 3: Cross multiply
    27,879.90x = 38,456.76 × 16,541.37
  4. Step 4: Simplify right side
    27,879.90x = 636,127,496.16
  5. Step 5: Solve for x
    x = 636,127,496.16/27,879.90
  6. Step 6: Final answer
    x = 22,816.71

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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.