Home / 20,496.44-28,300.69-20,169.61

Finding the Fourth Proportional to 20,496.44, 28,300.69 and 20,169.61

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Solution

The fourth proportional to 20,496.44, 28,300.69 and 20,169.61 is: 27,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.44 : 28,300.69 = 20,169.61 : x
  2. Step 2: Convert to fraction form
    20,496.44/28,300.69 = 20,169.61/x
  3. Step 3: Cross multiply
    20,496.44x = 28,300.69 × 20,169.61
  4. Step 4: Simplify right side
    20,496.44x = 570,813,834.49
  5. Step 5: Solve for x
    x = 570,813,834.49/20,496.44
  6. Step 6: Final answer
    x = 27,849.41

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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.