Home / 28,898.46-43,353.07-9,171.70

Finding the Fourth Proportional to 28,898.46, 43,353.07 and 9,171.70

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Solution

The fourth proportional to 28,898.46, 43,353.07 and 9,171.70 is: 13,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.46 : 43,353.07 = 9,171.70 : x
  2. Step 2: Convert to fraction form
    28,898.46/43,353.07 = 9,171.70/x
  3. Step 3: Cross multiply
    28,898.46x = 43,353.07 × 9,171.70
  4. Step 4: Simplify right side
    28,898.46x = 397,621,352.12
  5. Step 5: Solve for x
    x = 397,621,352.12/28,898.46
  6. Step 6: Final answer
    x = 13,759.26

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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.