Home / 38,664.48-57,997.92-18,396.80

Finding the Fourth Proportional to 38,664.48, 57,997.92 and 18,396.80

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Solution

The fourth proportional to 38,664.48, 57,997.92 and 18,396.80 is: 27,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.48 : 57,997.92 = 18,396.80 : x
  2. Step 2: Convert to fraction form
    38,664.48/57,997.92 = 18,396.80/x
  3. Step 3: Cross multiply
    38,664.48x = 57,997.92 × 18,396.80
  4. Step 4: Simplify right side
    38,664.48x = 1,066,976,134.66
  5. Step 5: Solve for x
    x = 1,066,976,134.66/38,664.48
  6. Step 6: Final answer
    x = 27,595.77

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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.