Home / 27,260.85-37,620.33-15,323.49

Finding the Fourth Proportional to 27,260.85, 37,620.33 and 15,323.49

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Solution

The fourth proportional to 27,260.85, 37,620.33 and 15,323.49 is: 21,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,260.85 : 37,620.33 = 15,323.49 : x
  2. Step 2: Convert to fraction form
    27,260.85/37,620.33 = 15,323.49/x
  3. Step 3: Cross multiply
    27,260.85x = 37,620.33 × 15,323.49
  4. Step 4: Simplify right side
    27,260.85x = 576,474,750.55
  5. Step 5: Solve for x
    x = 576,474,750.55/27,260.85
  6. Step 6: Final answer
    x = 21,146.62

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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.