Home / 27,448.42-37,875.78-15,511.73

Finding the Fourth Proportional to 27,448.42, 37,875.78 and 15,511.73

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Solution

The fourth proportional to 27,448.42, 37,875.78 and 15,511.73 is: 21,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,448.42 : 37,875.78 = 15,511.73 : x
  2. Step 2: Convert to fraction form
    27,448.42/37,875.78 = 15,511.73/x
  3. Step 3: Cross multiply
    27,448.42x = 37,875.78 × 15,511.73
  4. Step 4: Simplify right side
    27,448.42x = 587,518,872.90
  5. Step 5: Solve for x
    x = 587,518,872.90/27,448.42
  6. Step 6: Final answer
    x = 21,404.47

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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.