Home / 28,769.24-43,109.90-19,374.52

Finding the Fourth Proportional to 28,769.24, 43,109.90 and 19,374.52

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Solution

The fourth proportional to 28,769.24, 43,109.90 and 19,374.52 is: 29,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.24 : 43,109.90 = 19,374.52 : x
  2. Step 2: Convert to fraction form
    28,769.24/43,109.90 = 19,374.52/x
  3. Step 3: Cross multiply
    28,769.24x = 43,109.90 × 19,374.52
  4. Step 4: Simplify right side
    28,769.24x = 835,233,619.75
  5. Step 5: Solve for x
    x = 835,233,619.75/28,769.24
  6. Step 6: Final answer
    x = 29,032.18

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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.