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Finding the Fourth Proportional to 25,500.44, 35,171.88 and 14,889.44

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Solution

The fourth proportional to 25,500.44, 35,171.88 and 14,889.44 is: 20,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,500.44 : 35,171.88 = 14,889.44 : x
  2. Step 2: Convert to fraction form
    25,500.44/35,171.88 = 14,889.44/x
  3. Step 3: Cross multiply
    25,500.44x = 35,171.88 × 14,889.44
  4. Step 4: Simplify right side
    25,500.44x = 523,689,596.95
  5. Step 5: Solve for x
    x = 523,689,596.95/25,500.44
  6. Step 6: Final answer
    x = 20,536.49

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1.5x scale

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.