Home / 27,033.78-40,537.29-8,309.34

Finding the Fourth Proportional to 27,033.78, 40,537.29 and 8,309.34

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Solution

The fourth proportional to 27,033.78, 40,537.29 and 8,309.34 is: 12,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,033.78 : 40,537.29 = 8,309.34 : x
  2. Step 2: Convert to fraction form
    27,033.78/40,537.29 = 8,309.34/x
  3. Step 3: Cross multiply
    27,033.78x = 40,537.29 × 8,309.34
  4. Step 4: Simplify right side
    27,033.78x = 336,838,125.29
  5. Step 5: Solve for x
    x = 336,838,125.29/27,033.78
  6. Step 6: Final answer
    x = 12,459.90

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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.