Home / 56,684.40-85,028-27,105.36

Finding the Fourth Proportional to 56,684.40, 85,028 and 27,105.36

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Solution

The fourth proportional to 56,684.40, 85,028 and 27,105.36 is: 40,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,684.40 : 85,028 = 27,105.36 : x
  2. Step 2: Convert to fraction form
    56,684.40/85,028 = 27,105.36/x
  3. Step 3: Cross multiply
    56,684.40x = 85,028 × 27,105.36
  4. Step 4: Simplify right side
    56,684.40x = 2,304,714,550.08
  5. Step 5: Solve for x
    x = 2,304,714,550.08/56,684.40
  6. Step 6: Final answer
    x = 40,658.71

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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.