Home / 27,478.92-37,918.76-16,148.85

Finding the Fourth Proportional to 27,478.92, 37,918.76 and 16,148.85

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Solution

The fourth proportional to 27,478.92, 37,918.76 and 16,148.85 is: 22,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.92 : 37,918.76 = 16,148.85 : x
  2. Step 2: Convert to fraction form
    27,478.92/37,918.76 = 16,148.85/x
  3. Step 3: Cross multiply
    27,478.92x = 37,918.76 × 16,148.85
  4. Step 4: Simplify right side
    27,478.92x = 612,344,367.43
  5. Step 5: Solve for x
    x = 612,344,367.43/27,478.92
  6. Step 6: Final answer
    x = 22,284.15

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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.