Home / 27,138.48-40,670.73-26,340.54

Finding the Fourth Proportional to 27,138.48, 40,670.73 and 26,340.54

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Solution

The fourth proportional to 27,138.48, 40,670.73 and 26,340.54 is: 39,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.48 : 40,670.73 = 26,340.54 : x
  2. Step 2: Convert to fraction form
    27,138.48/40,670.73 = 26,340.54/x
  3. Step 3: Cross multiply
    27,138.48x = 40,670.73 × 26,340.54
  4. Step 4: Simplify right side
    27,138.48x = 1,071,288,990.39
  5. Step 5: Solve for x
    x = 1,071,288,990.39/27,138.48
  6. Step 6: Final answer
    x = 39,474.91

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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.