Home / 31,825.20-47,665.09-15,196.88

Finding the Fourth Proportional to 31,825.20, 47,665.09 and 15,196.88

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Solution

The fourth proportional to 31,825.20, 47,665.09 and 15,196.88 is: 22,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,825.20 : 47,665.09 = 15,196.88 : x
  2. Step 2: Convert to fraction form
    31,825.20/47,665.09 = 15,196.88/x
  3. Step 3: Cross multiply
    31,825.20x = 47,665.09 × 15,196.88
  4. Step 4: Simplify right side
    31,825.20x = 724,360,576.93
  5. Step 5: Solve for x
    x = 724,360,576.93/31,825.20
  6. Step 6: Final answer
    x = 22,760.60

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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.