Home / 26,243.86-39,330.54-14,379.78

Finding the Fourth Proportional to 26,243.86, 39,330.54 and 14,379.78

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Solution

The fourth proportional to 26,243.86, 39,330.54 and 14,379.78 is: 21,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,243.86 : 39,330.54 = 14,379.78 : x
  2. Step 2: Convert to fraction form
    26,243.86/39,330.54 = 14,379.78/x
  3. Step 3: Cross multiply
    26,243.86x = 39,330.54 × 14,379.78
  4. Step 4: Simplify right side
    26,243.86x = 565,564,512.48
  5. Step 5: Solve for x
    x = 565,564,512.48/26,243.86
  6. Step 6: Final answer
    x = 21,550.36

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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.