Home / 38,587.86-57,890.97-12,292.56

Finding the Fourth Proportional to 38,587.86, 57,890.97 and 12,292.56

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Solution

The fourth proportional to 38,587.86, 57,890.97 and 12,292.56 is: 18,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,587.86 : 57,890.97 = 12,292.56 : x
  2. Step 2: Convert to fraction form
    38,587.86/57,890.97 = 12,292.56/x
  3. Step 3: Cross multiply
    38,587.86x = 57,890.97 × 12,292.56
  4. Step 4: Simplify right side
    38,587.86x = 711,628,222.18
  5. Step 5: Solve for x
    x = 711,628,222.18/38,587.86
  6. Step 6: Final answer
    x = 18,441.76

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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.