Home / 38,923.43-58,385.12-12,628.17

Finding the Fourth Proportional to 38,923.43, 58,385.12 and 12,628.17

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Solution

The fourth proportional to 38,923.43, 58,385.12 and 12,628.17 is: 18,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,923.43 : 58,385.12 = 12,628.17 : x
  2. Step 2: Convert to fraction form
    38,923.43/58,385.12 = 12,628.17/x
  3. Step 3: Cross multiply
    38,923.43x = 58,385.12 × 12,628.17
  4. Step 4: Simplify right side
    38,923.43x = 737,297,157.69
  5. Step 5: Solve for x
    x = 737,297,157.69/38,923.43
  6. Step 6: Final answer
    x = 18,942.25

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Similar ratio
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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.