Home / 27,107.38-37,403.26-15,620.50

Finding the Fourth Proportional to 27,107.38, 37,403.26 and 15,620.50

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Solution

The fourth proportional to 27,107.38, 37,403.26 and 15,620.50 is: 21,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,107.38 : 37,403.26 = 15,620.50 : x
  2. Step 2: Convert to fraction form
    27,107.38/37,403.26 = 15,620.50/x
  3. Step 3: Cross multiply
    27,107.38x = 37,403.26 × 15,620.50
  4. Step 4: Simplify right side
    27,107.38x = 584,257,622.83
  5. Step 5: Solve for x
    x = 584,257,622.83/27,107.38
  6. Step 6: Final answer
    x = 21,553.45

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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.