Home / 25,956.46-35,821.24-15,881.74

Finding the Fourth Proportional to 25,956.46, 35,821.24 and 15,881.74

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Solution

The fourth proportional to 25,956.46, 35,821.24 and 15,881.74 is: 21,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,956.46 : 35,821.24 = 15,881.74 : x
  2. Step 2: Convert to fraction form
    25,956.46/35,821.24 = 15,881.74/x
  3. Step 3: Cross multiply
    25,956.46x = 35,821.24 × 15,881.74
  4. Step 4: Simplify right side
    25,956.46x = 568,903,620.16
  5. Step 5: Solve for x
    x = 568,903,620.16/25,956.46
  6. Step 6: Final answer
    x = 21,917.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.