Home / 31,827.21-47,751.17-15,185.09

Finding the Fourth Proportional to 31,827.21, 47,751.17 and 15,185.09

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Solution

The fourth proportional to 31,827.21, 47,751.17 and 15,185.09 is: 22,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.21 : 47,751.17 = 15,185.09 : x
  2. Step 2: Convert to fraction form
    31,827.21/47,751.17 = 15,185.09/x
  3. Step 3: Cross multiply
    31,827.21x = 47,751.17 × 15,185.09
  4. Step 4: Simplify right side
    31,827.21x = 725,105,731.27
  5. Step 5: Solve for x
    x = 725,105,731.27/31,827.21
  6. Step 6: Final answer
    x = 22,782.58

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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.