Home / 28,895.94-43,352.42-9,174.06

Finding the Fourth Proportional to 28,895.94, 43,352.42 and 9,174.06

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Solution

The fourth proportional to 28,895.94, 43,352.42 and 9,174.06 is: 13,763.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.94 : 43,352.42 = 9,174.06 : x
  2. Step 2: Convert to fraction form
    28,895.94/43,352.42 = 9,174.06/x
  3. Step 3: Cross multiply
    28,895.94x = 43,352.42 × 9,174.06
  4. Step 4: Simplify right side
    28,895.94x = 397,717,656.35
  5. Step 5: Solve for x
    x = 397,717,656.35/28,895.94
  6. Step 6: Final answer
    x = 13,763.79

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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.