Home / 27,121.50-37,431.41-16,366.92

Finding the Fourth Proportional to 27,121.50, 37,431.41 and 16,366.92

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Solution

The fourth proportional to 27,121.50, 37,431.41 and 16,366.92 is: 22,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.50 : 37,431.41 = 16,366.92 : x
  2. Step 2: Convert to fraction form
    27,121.50/37,431.41 = 16,366.92/x
  3. Step 3: Cross multiply
    27,121.50x = 37,431.41 × 16,366.92
  4. Step 4: Simplify right side
    27,121.50x = 612,636,811.12
  5. Step 5: Solve for x
    x = 612,636,811.12/27,121.50
  6. Step 6: Final answer
    x = 22,588.60

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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.