Home / 38,571.72-57,818.03-18,825.95

Finding the Fourth Proportional to 38,571.72, 57,818.03 and 18,825.95

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Solution

The fourth proportional to 38,571.72, 57,818.03 and 18,825.95 is: 28,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.72 : 57,818.03 = 18,825.95 : x
  2. Step 2: Convert to fraction form
    38,571.72/57,818.03 = 18,825.95/x
  3. Step 3: Cross multiply
    38,571.72x = 57,818.03 × 18,825.95
  4. Step 4: Simplify right side
    38,571.72x = 1,088,478,958.66
  5. Step 5: Solve for x
    x = 1,088,478,958.66/38,571.72
  6. Step 6: Final answer
    x = 28,219.61

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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.