Home / 20,584.75-28,427.14-17,583.09

Finding the Fourth Proportional to 20,584.75, 28,427.14 and 17,583.09

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Solution

The fourth proportional to 20,584.75, 28,427.14 and 17,583.09 is: 24,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.75 : 28,427.14 = 17,583.09 : x
  2. Step 2: Convert to fraction form
    20,584.75/28,427.14 = 17,583.09/x
  3. Step 3: Cross multiply
    20,584.75x = 28,427.14 × 17,583.09
  4. Step 4: Simplify right side
    20,584.75x = 499,836,961.06
  5. Step 5: Solve for x
    x = 499,836,961.06/20,584.75
  6. Step 6: Final answer
    x = 24,281.91

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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.