Home / 34,357.40-51,536.10-28,520.60

Finding the Fourth Proportional to 34,357.40, 51,536.10 and 28,520.60

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Solution

The fourth proportional to 34,357.40, 51,536.10 and 28,520.60 is: 42,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,357.40 : 51,536.10 = 28,520.60 : x
  2. Step 2: Convert to fraction form
    34,357.40/51,536.10 = 28,520.60/x
  3. Step 3: Cross multiply
    34,357.40x = 51,536.10 × 28,520.60
  4. Step 4: Simplify right side
    34,357.40x = 1,469,840,493.66
  5. Step 5: Solve for x
    x = 1,469,840,493.66/34,357.40
  6. Step 6: Final answer
    x = 42,780.90

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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.