Home / 52,793.20-72,855.54-28,918.34

Finding the Fourth Proportional to 52,793.20, 72,855.54 and 28,918.34

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Solution

The fourth proportional to 52,793.20, 72,855.54 and 28,918.34 is: 39,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,793.20 : 72,855.54 = 28,918.34 : x
  2. Step 2: Convert to fraction form
    52,793.20/72,855.54 = 28,918.34/x
  3. Step 3: Cross multiply
    52,793.20x = 72,855.54 × 28,918.34
  4. Step 4: Simplify right side
    52,793.20x = 2,106,861,276.60
  5. Step 5: Solve for x
    x = 2,106,861,276.60/52,793.20
  6. Step 6: Final answer
    x = 39,907.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.