Home / 23,425-35,082.28-20,330.24

Finding the Fourth Proportional to 23,425, 35,082.28 and 20,330.24

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Solution

The fourth proportional to 23,425, 35,082.28 and 20,330.24 is: 30,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,425 : 35,082.28 = 20,330.24 : x
  2. Step 2: Convert to fraction form
    23,425/35,082.28 = 20,330.24/x
  3. Step 3: Cross multiply
    23,425x = 35,082.28 × 20,330.24
  4. Step 4: Simplify right side
    23,425x = 713,231,172.15
  5. Step 5: Solve for x
    x = 713,231,172.15/23,425
  6. Step 6: Final answer
    x = 30,447.44

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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.