Home / 25,163.56-34,732.98-20,162.68

Finding the Fourth Proportional to 25,163.56, 34,732.98 and 20,162.68

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Solution

The fourth proportional to 25,163.56, 34,732.98 and 20,162.68 is: 27,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,163.56 : 34,732.98 = 20,162.68 : x
  2. Step 2: Convert to fraction form
    25,163.56/34,732.98 = 20,162.68/x
  3. Step 3: Cross multiply
    25,163.56x = 34,732.98 × 20,162.68
  4. Step 4: Simplify right side
    25,163.56x = 700,309,961.19
  5. Step 5: Solve for x
    x = 700,309,961.19/25,163.56
  6. Step 6: Final answer
    x = 27,830.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.