Home / 28,825.80-43,287.30-19,008.60

Finding the Fourth Proportional to 28,825.80, 43,287.30 and 19,008.60

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Solution

The fourth proportional to 28,825.80, 43,287.30 and 19,008.60 is: 28,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.80 : 43,287.30 = 19,008.60 : x
  2. Step 2: Convert to fraction form
    28,825.80/43,287.30 = 19,008.60/x
  3. Step 3: Cross multiply
    28,825.80x = 43,287.30 × 19,008.60
  4. Step 4: Simplify right side
    28,825.80x = 822,830,970.78
  5. Step 5: Solve for x
    x = 822,830,970.78/28,825.80
  6. Step 6: Final answer
    x = 28,544.95

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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.