Home / 27,468.42-37,906.21-15,531.76

Finding the Fourth Proportional to 27,468.42, 37,906.21 and 15,531.76

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Solution

The fourth proportional to 27,468.42, 37,906.21 and 15,531.76 is: 21,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,468.42 : 37,906.21 = 15,531.76 : x
  2. Step 2: Convert to fraction form
    27,468.42/37,906.21 = 15,531.76/x
  3. Step 3: Cross multiply
    27,468.42x = 37,906.21 × 15,531.76
  4. Step 4: Simplify right side
    27,468.42x = 588,750,156.23
  5. Step 5: Solve for x
    x = 588,750,156.23/27,468.42
  6. Step 6: Final answer
    x = 21,433.71

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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.