Home / 27,468.10-37,905.77-15,531.86

Finding the Fourth Proportional to 27,468.10, 37,905.77 and 15,531.86

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Solution

The fourth proportional to 27,468.10, 37,905.77 and 15,531.86 is: 21,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,468.10 : 37,905.77 = 15,531.86 : x
  2. Step 2: Convert to fraction form
    27,468.10/37,905.77 = 15,531.86/x
  3. Step 3: Cross multiply
    27,468.10x = 37,905.77 × 15,531.86
  4. Step 4: Simplify right side
    27,468.10x = 588,747,129.94
  5. Step 5: Solve for x
    x = 588,747,129.94/27,468.10
  6. Step 6: Final answer
    x = 21,433.85

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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.