Home / 27,315.64-40,979.79-8,595.19

Finding the Fourth Proportional to 27,315.64, 40,979.79 and 8,595.19

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Solution

The fourth proportional to 27,315.64, 40,979.79 and 8,595.19 is: 12,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.64 : 40,979.79 = 8,595.19 : x
  2. Step 2: Convert to fraction form
    27,315.64/40,979.79 = 8,595.19/x
  3. Step 3: Cross multiply
    27,315.64x = 40,979.79 × 8,595.19
  4. Step 4: Simplify right side
    27,315.64x = 352,228,960.09
  5. Step 5: Solve for x
    x = 352,228,960.09/27,315.64
  6. Step 6: Final answer
    x = 12,894.77

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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.