Home / 35,311.40-52,880.70-16,821.80

Finding the Fourth Proportional to 35,311.40, 52,880.70 and 16,821.80

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Solution

The fourth proportional to 35,311.40, 52,880.70 and 16,821.80 is: 25,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,311.40 : 52,880.70 = 16,821.80 : x
  2. Step 2: Convert to fraction form
    35,311.40/52,880.70 = 16,821.80/x
  3. Step 3: Cross multiply
    35,311.40x = 52,880.70 × 16,821.80
  4. Step 4: Simplify right side
    35,311.40x = 889,548,559.26
  5. Step 5: Solve for x
    x = 889,548,559.26/35,311.40
  6. Step 6: Final answer
    x = 25,191.54

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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.