Home / 20,082.76-30,093.62-15,905.32

Finding the Fourth Proportional to 20,082.76, 30,093.62 and 15,905.32

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Solution

The fourth proportional to 20,082.76, 30,093.62 and 15,905.32 is: 23,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082.76 : 30,093.62 = 15,905.32 : x
  2. Step 2: Convert to fraction form
    20,082.76/30,093.62 = 15,905.32/x
  3. Step 3: Cross multiply
    20,082.76x = 30,093.62 × 15,905.32
  4. Step 4: Simplify right side
    20,082.76x = 478,648,656.06
  5. Step 5: Solve for x
    x = 478,648,656.06/20,082.76
  6. Step 6: Final answer
    x = 23,833.81

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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.