Home / 38,583.86-57,884.98-12,288.56

Finding the Fourth Proportional to 38,583.86, 57,884.98 and 12,288.56

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Solution

The fourth proportional to 38,583.86, 57,884.98 and 12,288.56 is: 18,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583.86 : 57,884.98 = 12,288.56 : x
  2. Step 2: Convert to fraction form
    38,583.86/57,884.98 = 12,288.56/x
  3. Step 3: Cross multiply
    38,583.86x = 57,884.98 × 12,288.56
  4. Step 4: Simplify right side
    38,583.86x = 711,323,049.83
  5. Step 5: Solve for x
    x = 711,323,049.83/38,583.86
  6. Step 6: Final answer
    x = 18,435.77

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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.