Home / 27,664.31-41,456.59-15,781.46

Finding the Fourth Proportional to 27,664.31, 41,456.59 and 15,781.46

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Solution

The fourth proportional to 27,664.31, 41,456.59 and 15,781.46 is: 23,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,664.31 : 41,456.59 = 15,781.46 : x
  2. Step 2: Convert to fraction form
    27,664.31/41,456.59 = 15,781.46/x
  3. Step 3: Cross multiply
    27,664.31x = 41,456.59 × 15,781.46
  4. Step 4: Simplify right side
    27,664.31x = 654,245,358.86
  5. Step 5: Solve for x
    x = 654,245,358.86/27,664.31
  6. Step 6: Final answer
    x = 23,649.44

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1.5x scale

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.