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Finding the Fourth Proportional to 35,311.80, 52,894.10 and 16,607.80

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Solution

The fourth proportional to 35,311.80, 52,894.10 and 16,607.80 is: 24,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,311.80 : 52,894.10 = 16,607.80 : x
  2. Step 2: Convert to fraction form
    35,311.80/52,894.10 = 16,607.80/x
  3. Step 3: Cross multiply
    35,311.80x = 52,894.10 × 16,607.80
  4. Step 4: Simplify right side
    35,311.80x = 878,454,633.98
  5. Step 5: Solve for x
    x = 878,454,633.98/35,311.80
  6. Step 6: Final answer
    x = 24,877.08

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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.