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Finding the Fourth Proportional to 23,913.88, 35,872.11 and 7,272.63

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Solution

The fourth proportional to 23,913.88, 35,872.11 and 7,272.63 is: 10,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,913.88 : 35,872.11 = 7,272.63 : x
  2. Step 2: Convert to fraction form
    23,913.88/35,872.11 = 7,272.63/x
  3. Step 3: Cross multiply
    23,913.88x = 35,872.11 × 7,272.63
  4. Step 4: Simplify right side
    23,913.88x = 260,884,583.35
  5. Step 5: Solve for x
    x = 260,884,583.35/23,913.88
  6. Step 6: Final answer
    x = 10,909.34

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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.