Home / 28,705.26-43,034.66-8,973.66

Finding the Fourth Proportional to 28,705.26, 43,034.66 and 8,973.66

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Solution

The fourth proportional to 28,705.26, 43,034.66 and 8,973.66 is: 13,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.26 : 43,034.66 = 8,973.66 : x
  2. Step 2: Convert to fraction form
    28,705.26/43,034.66 = 8,973.66/x
  3. Step 3: Cross multiply
    28,705.26x = 43,034.66 × 8,973.66
  4. Step 4: Simplify right side
    28,705.26x = 386,178,362.19
  5. Step 5: Solve for x
    x = 386,178,362.19/28,705.26
  6. Step 6: Final answer
    x = 13,453.23

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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.