Home / 27,286.69-40,931.78-8,567.46

Finding the Fourth Proportional to 27,286.69, 40,931.78 and 8,567.46

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Solution

The fourth proportional to 27,286.69, 40,931.78 and 8,567.46 is: 12,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.69 : 40,931.78 = 8,567.46 : x
  2. Step 2: Convert to fraction form
    27,286.69/40,931.78 = 8,567.46/x
  3. Step 3: Cross multiply
    27,286.69x = 40,931.78 × 8,567.46
  4. Step 4: Simplify right side
    27,286.69x = 350,681,387.88
  5. Step 5: Solve for x
    x = 350,681,387.88/27,286.69
  6. Step 6: Final answer
    x = 12,851.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.