Home / 20,458.27-30,687.30-5,667.07

Finding the Fourth Proportional to 20,458.27, 30,687.30 and 5,667.07

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Solution

The fourth proportional to 20,458.27, 30,687.30 and 5,667.07 is: 8,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458.27 : 30,687.30 = 5,667.07 : x
  2. Step 2: Convert to fraction form
    20,458.27/30,687.30 = 5,667.07/x
  3. Step 3: Cross multiply
    20,458.27x = 30,687.30 × 5,667.07
  4. Step 4: Simplify right side
    20,458.27x = 173,907,077.21
  5. Step 5: Solve for x
    x = 173,907,077.21/20,458.27
  6. Step 6: Final answer
    x = 8,500.58

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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.