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Finding the Fourth Proportional to 35,152.49, 52,728.94 and 14,375.99

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Solution

The fourth proportional to 35,152.49, 52,728.94 and 14,375.99 is: 21,564.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,152.49 : 52,728.94 = 14,375.99 : x
  2. Step 2: Convert to fraction form
    35,152.49/52,728.94 = 14,375.99/x
  3. Step 3: Cross multiply
    35,152.49x = 52,728.94 × 14,375.99
  4. Step 4: Simplify right side
    35,152.49x = 758,030,863.94
  5. Step 5: Solve for x
    x = 758,030,863.94/35,152.49
  6. Step 6: Final answer
    x = 21,564.07

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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.