Home / 25,735.88-38,611.12-21,099.44

Finding the Fourth Proportional to 25,735.88, 38,611.12 and 21,099.44

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Solution

The fourth proportional to 25,735.88, 38,611.12 and 21,099.44 is: 31,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,735.88 : 38,611.12 = 21,099.44 : x
  2. Step 2: Convert to fraction form
    25,735.88/38,611.12 = 21,099.44/x
  3. Step 3: Cross multiply
    25,735.88x = 38,611.12 × 21,099.44
  4. Step 4: Simplify right side
    25,735.88x = 814,673,009.77
  5. Step 5: Solve for x
    x = 814,673,009.77/25,735.88
  6. Step 6: Final answer
    x = 31,655.14

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1.5x scale

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.