Home / 20,012.13-29,974.32-15,856.83

Finding the Fourth Proportional to 20,012.13, 29,974.32 and 15,856.83

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Solution

The fourth proportional to 20,012.13, 29,974.32 and 15,856.83 is: 23,750.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.13 : 29,974.32 = 15,856.83 : x
  2. Step 2: Convert to fraction form
    20,012.13/29,974.32 = 15,856.83/x
  3. Step 3: Cross multiply
    20,012.13x = 29,974.32 × 15,856.83
  4. Step 4: Simplify right side
    20,012.13x = 475,297,696.61
  5. Step 5: Solve for x
    x = 475,297,696.61/20,012.13
  6. Step 6: Final answer
    x = 23,750.48

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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.