Home / 28,872.14-39,821.46-19,934.60

Finding the Fourth Proportional to 28,872.14, 39,821.46 and 19,934.60

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Solution

The fourth proportional to 28,872.14, 39,821.46 and 19,934.60 is: 27,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.14 : 39,821.46 = 19,934.60 : x
  2. Step 2: Convert to fraction form
    28,872.14/39,821.46 = 19,934.60/x
  3. Step 3: Cross multiply
    28,872.14x = 39,821.46 × 19,934.60
  4. Step 4: Simplify right side
    28,872.14x = 793,824,876.52
  5. Step 5: Solve for x
    x = 793,824,876.52/28,872.14
  6. Step 6: Final answer
    x = 27,494.49

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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.