Home / 28,825.20-43,281.54-18,361.62

Finding the Fourth Proportional to 28,825.20, 43,281.54 and 18,361.62

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Solution

The fourth proportional to 28,825.20, 43,281.54 and 18,361.62 is: 27,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.20 : 43,281.54 = 18,361.62 : x
  2. Step 2: Convert to fraction form
    28,825.20/43,281.54 = 18,361.62/x
  3. Step 3: Cross multiply
    28,825.20x = 43,281.54 × 18,361.62
  4. Step 4: Simplify right side
    28,825.20x = 794,719,190.49
  5. Step 5: Solve for x
    x = 794,719,190.49/28,825.20
  6. Step 6: Final answer
    x = 27,570.29

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1.5x scale

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.