Home / 20,360.30-30,505.38-15,916.24

Finding the Fourth Proportional to 20,360.30, 30,505.38 and 15,916.24

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Solution

The fourth proportional to 20,360.30, 30,505.38 and 15,916.24 is: 23,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360.30 : 30,505.38 = 15,916.24 : x
  2. Step 2: Convert to fraction form
    20,360.30/30,505.38 = 15,916.24/x
  3. Step 3: Cross multiply
    20,360.30x = 30,505.38 × 15,916.24
  4. Step 4: Simplify right side
    20,360.30x = 485,530,949.37
  5. Step 5: Solve for x
    x = 485,530,949.37/20,360.30
  6. Step 6: Final answer
    x = 23,846.94

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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.