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Finding the Fourth Proportional to 35,131.80, 52,624.10 and 16,427.80

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Solution

The fourth proportional to 35,131.80, 52,624.10 and 16,427.80 is: 24,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,131.80 : 52,624.10 = 16,427.80 : x
  2. Step 2: Convert to fraction form
    35,131.80/52,624.10 = 16,427.80/x
  3. Step 3: Cross multiply
    35,131.80x = 52,624.10 × 16,427.80
  4. Step 4: Simplify right side
    35,131.80x = 864,498,189.98
  5. Step 5: Solve for x
    x = 864,498,189.98/35,131.80
  6. Step 6: Final answer
    x = 24,607.28

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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.