Home / 27,322.62-37,704.19-15,222.81

Finding the Fourth Proportional to 27,322.62, 37,704.19 and 15,222.81

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Solution

The fourth proportional to 27,322.62, 37,704.19 and 15,222.81 is: 21,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.62 : 37,704.19 = 15,222.81 : x
  2. Step 2: Convert to fraction form
    27,322.62/37,704.19 = 15,222.81/x
  3. Step 3: Cross multiply
    27,322.62x = 37,704.19 × 15,222.81
  4. Step 4: Simplify right side
    27,322.62x = 573,963,720.57
  5. Step 5: Solve for x
    x = 573,963,720.57/27,322.62
  6. Step 6: Final answer
    x = 21,006.91

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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.