Home / 52,780.53-72,834.45-28,902.60

Finding the Fourth Proportional to 52,780.53, 72,834.45 and 28,902.60

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Solution

The fourth proportional to 52,780.53, 72,834.45 and 28,902.60 is: 39,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,780.53 : 72,834.45 = 28,902.60 : x
  2. Step 2: Convert to fraction form
    52,780.53/72,834.45 = 28,902.60/x
  3. Step 3: Cross multiply
    52,780.53x = 72,834.45 × 28,902.60
  4. Step 4: Simplify right side
    52,780.53x = 2,105,104,974.57
  5. Step 5: Solve for x
    x = 2,105,104,974.57/52,780.53
  6. Step 6: Final answer
    x = 39,884.12

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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.