Home / 25,640.53-38,334.36-21,735.37

Finding the Fourth Proportional to 25,640.53, 38,334.36 and 21,735.37

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Solution

The fourth proportional to 25,640.53, 38,334.36 and 21,735.37 is: 32,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.53 : 38,334.36 = 21,735.37 : x
  2. Step 2: Convert to fraction form
    25,640.53/38,334.36 = 21,735.37/x
  3. Step 3: Cross multiply
    25,640.53x = 38,334.36 × 21,735.37
  4. Step 4: Simplify right side
    25,640.53x = 833,211,498.31
  5. Step 5: Solve for x
    x = 833,211,498.31/25,640.53
  6. Step 6: Final answer
    x = 32,495.88

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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.