Home / 27,511.72-37,975.20-16,180.72

Finding the Fourth Proportional to 27,511.72, 37,975.20 and 16,180.72

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Solution

The fourth proportional to 27,511.72, 37,975.20 and 16,180.72 is: 22,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.72 : 37,975.20 = 16,180.72 : x
  2. Step 2: Convert to fraction form
    27,511.72/37,975.20 = 16,180.72/x
  3. Step 3: Cross multiply
    27,511.72x = 37,975.20 × 16,180.72
  4. Step 4: Simplify right side
    27,511.72x = 614,466,078.14
  5. Step 5: Solve for x
    x = 614,466,078.14/27,511.72
  6. Step 6: Final answer
    x = 22,334.70

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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.