Home / 27,415.11-37,820.82-16,078.86

Finding the Fourth Proportional to 27,415.11, 37,820.82 and 16,078.86

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Solution

The fourth proportional to 27,415.11, 37,820.82 and 16,078.86 is: 22,181.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.11 : 37,820.82 = 16,078.86 : x
  2. Step 2: Convert to fraction form
    27,415.11/37,820.82 = 16,078.86/x
  3. Step 3: Cross multiply
    27,415.11x = 37,820.82 × 16,078.86
  4. Step 4: Simplify right side
    27,415.11x = 608,115,669.87
  5. Step 5: Solve for x
    x = 608,115,669.87/27,415.11
  6. Step 6: Final answer
    x = 22,181.77

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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.