Home / 31,794.05-47,680.07-15,992.98

Finding the Fourth Proportional to 31,794.05, 47,680.07 and 15,992.98

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Solution

The fourth proportional to 31,794.05, 47,680.07 and 15,992.98 is: 23,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,794.05 : 47,680.07 = 15,992.98 : x
  2. Step 2: Convert to fraction form
    31,794.05/47,680.07 = 15,992.98/x
  3. Step 3: Cross multiply
    31,794.05x = 47,680.07 × 15,992.98
  4. Step 4: Simplify right side
    31,794.05x = 762,546,206.74
  5. Step 5: Solve for x
    x = 762,546,206.74/31,794.05
  6. Step 6: Final answer
    x = 23,983.93

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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.