Home / 20,332.82-28,059.01-12,369.41

Finding the Fourth Proportional to 20,332.82, 28,059.01 and 12,369.41

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Solution

The fourth proportional to 20,332.82, 28,059.01 and 12,369.41 is: 17,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.82 : 28,059.01 = 12,369.41 : x
  2. Step 2: Convert to fraction form
    20,332.82/28,059.01 = 12,369.41/x
  3. Step 3: Cross multiply
    20,332.82x = 28,059.01 × 12,369.41
  4. Step 4: Simplify right side
    20,332.82x = 347,073,332.89
  5. Step 5: Solve for x
    x = 347,073,332.89/20,332.82
  6. Step 6: Final answer
    x = 17,069.61

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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.