Home / 28,915.26-43,343.34-16,408.88

Finding the Fourth Proportional to 28,915.26, 43,343.34 and 16,408.88

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Solution

The fourth proportional to 28,915.26, 43,343.34 and 16,408.88 is: 24,596.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915.26 : 43,343.34 = 16,408.88 : x
  2. Step 2: Convert to fraction form
    28,915.26/43,343.34 = 16,408.88/x
  3. Step 3: Cross multiply
    28,915.26x = 43,343.34 × 16,408.88
  4. Step 4: Simplify right side
    28,915.26x = 711,215,448.14
  5. Step 5: Solve for x
    x = 711,215,448.14/28,915.26
  6. Step 6: Final answer
    x = 24,596.54

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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.