Home / 27,977.96-41,908.40-16,878.79

Finding the Fourth Proportional to 27,977.96, 41,908.40 and 16,878.79

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Solution

The fourth proportional to 27,977.96, 41,908.40 and 16,878.79 is: 25,282.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,977.96 : 41,908.40 = 16,878.79 : x
  2. Step 2: Convert to fraction form
    27,977.96/41,908.40 = 16,878.79/x
  3. Step 3: Cross multiply
    27,977.96x = 41,908.40 × 16,878.79
  4. Step 4: Simplify right side
    27,977.96x = 707,362,893.67
  5. Step 5: Solve for x
    x = 707,362,893.67/27,977.96
  6. Step 6: Final answer
    x = 25,282.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.