Home / 20,332.62-28,059.08-11,839.77

Finding the Fourth Proportional to 20,332.62, 28,059.08 and 11,839.77

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Solution

The fourth proportional to 20,332.62, 28,059.08 and 11,839.77 is: 16,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.62 : 28,059.08 = 11,839.77 : x
  2. Step 2: Convert to fraction form
    20,332.62/28,059.08 = 11,839.77/x
  3. Step 3: Cross multiply
    20,332.62x = 28,059.08 × 11,839.77
  4. Step 4: Simplify right side
    20,332.62x = 332,212,994.41
  5. Step 5: Solve for x
    x = 332,212,994.41/20,332.62
  6. Step 6: Final answer
    x = 16,338.92

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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.