Home / 38,923.92-58,385.86-12,628.66

Finding the Fourth Proportional to 38,923.92, 58,385.86 and 12,628.66

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Solution

The fourth proportional to 38,923.92, 58,385.86 and 12,628.66 is: 18,942.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,923.92 : 58,385.86 = 12,628.66 : x
  2. Step 2: Convert to fraction form
    38,923.92/58,385.86 = 12,628.66/x
  3. Step 3: Cross multiply
    38,923.92x = 58,385.86 × 12,628.66
  4. Step 4: Simplify right side
    38,923.92x = 737,335,174.75
  5. Step 5: Solve for x
    x = 737,335,174.75/38,923.92
  6. Step 6: Final answer
    x = 18,942.98

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1.5x scale

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.