Home / 26,701.92-40,052.48-7,981.54

Finding the Fourth Proportional to 26,701.92, 40,052.48 and 7,981.54

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Solution

The fourth proportional to 26,701.92, 40,052.48 and 7,981.54 is: 11,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,701.92 : 40,052.48 = 7,981.54 : x
  2. Step 2: Convert to fraction form
    26,701.92/40,052.48 = 7,981.54/x
  3. Step 3: Cross multiply
    26,701.92x = 40,052.48 × 7,981.54
  4. Step 4: Simplify right side
    26,701.92x = 319,680,471.22
  5. Step 5: Solve for x
    x = 319,680,471.22/26,701.92
  6. Step 6: Final answer
    x = 11,972.19

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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.