Home / 27,426.41-37,848.17-15,489.71

Finding the Fourth Proportional to 27,426.41, 37,848.17 and 15,489.71

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Solution

The fourth proportional to 27,426.41, 37,848.17 and 15,489.71 is: 21,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,426.41 : 37,848.17 = 15,489.71 : x
  2. Step 2: Convert to fraction form
    27,426.41/37,848.17 = 15,489.71/x
  3. Step 3: Cross multiply
    27,426.41x = 37,848.17 × 15,489.71
  4. Step 4: Simplify right side
    27,426.41x = 586,257,099.88
  5. Step 5: Solve for x
    x = 586,257,099.88/27,426.41
  6. Step 6: Final answer
    x = 21,375.64

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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.