Home / 20,483.25-30,696.30-15,481.52

Finding the Fourth Proportional to 20,483.25, 30,696.30 and 15,481.52

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Solution

The fourth proportional to 20,483.25, 30,696.30 and 15,481.52 is: 23,200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483.25 : 30,696.30 = 15,481.52 : x
  2. Step 2: Convert to fraction form
    20,483.25/30,696.30 = 15,481.52/x
  3. Step 3: Cross multiply
    20,483.25x = 30,696.30 × 15,481.52
  4. Step 4: Simplify right side
    20,483.25x = 475,225,228.89
  5. Step 5: Solve for x
    x = 475,225,228.89/20,483.25
  6. Step 6: Final answer
    x = 23,200.68

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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.