Home / 28,677.54-43,017-13,883.70

Finding the Fourth Proportional to 28,677.54, 43,017 and 13,883.70

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Solution

The fourth proportional to 28,677.54, 43,017 and 13,883.70 is: 20,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.54 : 43,017 = 13,883.70 : x
  2. Step 2: Convert to fraction form
    28,677.54/43,017 = 13,883.70/x
  3. Step 3: Cross multiply
    28,677.54x = 43,017 × 13,883.70
  4. Step 4: Simplify right side
    28,677.54x = 597,235,122.90
  5. Step 5: Solve for x
    x = 597,235,122.90/28,677.54
  6. Step 6: Final answer
    x = 20,825.88

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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.