Home / 27,355.16-41,038.26-8,638.12

Finding the Fourth Proportional to 27,355.16, 41,038.26 and 8,638.12

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Solution

The fourth proportional to 27,355.16, 41,038.26 and 8,638.12 is: 12,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.16 : 41,038.26 = 8,638.12 : x
  2. Step 2: Convert to fraction form
    27,355.16/41,038.26 = 8,638.12/x
  3. Step 3: Cross multiply
    27,355.16x = 41,038.26 × 8,638.12
  4. Step 4: Simplify right side
    27,355.16x = 354,493,414.47
  5. Step 5: Solve for x
    x = 354,493,414.47/27,355.16
  6. Step 6: Final answer
    x = 12,958.92

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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.