Home / 27,473.39-37,915.19-15,536.78

Finding the Fourth Proportional to 27,473.39, 37,915.19 and 15,536.78

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Solution

The fourth proportional to 27,473.39, 37,915.19 and 15,536.78 is: 21,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,473.39 : 37,915.19 = 15,536.78 : x
  2. Step 2: Convert to fraction form
    27,473.39/37,915.19 = 15,536.78/x
  3. Step 3: Cross multiply
    27,473.39x = 37,915.19 × 15,536.78
  4. Step 4: Simplify right side
    27,473.39x = 589,079,698.43
  5. Step 5: Solve for x
    x = 589,079,698.43/27,473.39
  6. Step 6: Final answer
    x = 21,441.83

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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.