Home / 27,448.84-37,880.13-15,511.92

Finding the Fourth Proportional to 27,448.84, 37,880.13 and 15,511.92

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Solution

The fourth proportional to 27,448.84, 37,880.13 and 15,511.92 is: 21,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,448.84 : 37,880.13 = 15,511.92 : x
  2. Step 2: Convert to fraction form
    27,448.84/37,880.13 = 15,511.92/x
  3. Step 3: Cross multiply
    27,448.84x = 37,880.13 × 15,511.92
  4. Step 4: Simplify right side
    27,448.84x = 587,593,546.15
  5. Step 5: Solve for x
    x = 587,593,546.15/27,448.84
  6. Step 6: Final answer
    x = 21,406.86

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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.