Home / 27,220.54-37,563.38-15,284.38

Finding the Fourth Proportional to 27,220.54, 37,563.38 and 15,284.38

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Solution

The fourth proportional to 27,220.54, 37,563.38 and 15,284.38 is: 21,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.54 : 37,563.38 = 15,284.38 : x
  2. Step 2: Convert to fraction form
    27,220.54/37,563.38 = 15,284.38/x
  3. Step 3: Cross multiply
    27,220.54x = 37,563.38 × 15,284.38
  4. Step 4: Simplify right side
    27,220.54x = 574,132,974.00
  5. Step 5: Solve for x
    x = 574,132,974.00/27,220.54
  6. Step 6: Final answer
    x = 21,091.90

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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.