Home / 27,222.46-37,570.88-15,286.61

Finding the Fourth Proportional to 27,222.46, 37,570.88 and 15,286.61

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Solution

The fourth proportional to 27,222.46, 37,570.88 and 15,286.61 is: 21,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,222.46 : 37,570.88 = 15,286.61 : x
  2. Step 2: Convert to fraction form
    27,222.46/37,570.88 = 15,286.61/x
  3. Step 3: Cross multiply
    27,222.46x = 37,570.88 × 15,286.61
  4. Step 4: Simplify right side
    27,222.46x = 574,331,389.92
  5. Step 5: Solve for x
    x = 574,331,389.92/27,222.46
  6. Step 6: Final answer
    x = 21,097.70

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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.