Home / 20,325.27-30,489.72-5,534.26

Finding the Fourth Proportional to 20,325.27, 30,489.72 and 5,534.26

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Solution

The fourth proportional to 20,325.27, 30,489.72 and 5,534.26 is: 8,301.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.27 : 30,489.72 = 5,534.26 : x
  2. Step 2: Convert to fraction form
    20,325.27/30,489.72 = 5,534.26/x
  3. Step 3: Cross multiply
    20,325.27x = 30,489.72 × 5,534.26
  4. Step 4: Simplify right side
    20,325.27x = 168,738,037.81
  5. Step 5: Solve for x
    x = 168,738,037.81/20,325.27
  6. Step 6: Final answer
    x = 8,301.88

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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.