Home / 26,218-39,347.20-19,571.12

Finding the Fourth Proportional to 26,218, 39,347.20 and 19,571.12

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Solution

The fourth proportional to 26,218, 39,347.20 and 19,571.12 is: 29,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218 : 39,347.20 = 19,571.12 : x
  2. Step 2: Convert to fraction form
    26,218/39,347.20 = 19,571.12/x
  3. Step 3: Cross multiply
    26,218x = 39,347.20 × 19,571.12
  4. Step 4: Simplify right side
    26,218x = 770,068,772.86
  5. Step 5: Solve for x
    x = 770,068,772.86/26,218
  6. Step 6: Final answer
    x = 29,371.76

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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.