Home / 27,150.29-40,737.32-12,360.77

Finding the Fourth Proportional to 27,150.29, 40,737.32 and 12,360.77

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Solution

The fourth proportional to 27,150.29, 40,737.32 and 12,360.77 is: 18,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.29 : 40,737.32 = 12,360.77 : x
  2. Step 2: Convert to fraction form
    27,150.29/40,737.32 = 12,360.77/x
  3. Step 3: Cross multiply
    27,150.29x = 40,737.32 × 12,360.77
  4. Step 4: Simplify right side
    27,150.29x = 503,544,581.13
  5. Step 5: Solve for x
    x = 503,544,581.13/27,150.29
  6. Step 6: Final answer
    x = 18,546.56

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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.