Home / 31,515.28-47,228.36-17,481.50

Finding the Fourth Proportional to 31,515.28, 47,228.36 and 17,481.50

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Solution

The fourth proportional to 31,515.28, 47,228.36 and 17,481.50 is: 26,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515.28 : 47,228.36 = 17,481.50 : x
  2. Step 2: Convert to fraction form
    31,515.28/47,228.36 = 17,481.50/x
  3. Step 3: Cross multiply
    31,515.28x = 47,228.36 × 17,481.50
  4. Step 4: Simplify right side
    31,515.28x = 825,622,575.34
  5. Step 5: Solve for x
    x = 825,622,575.34/31,515.28
  6. Step 6: Final answer
    x = 26,197.53

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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.