Home / 28,782.81-43,203.67-23,769.22

Finding the Fourth Proportional to 28,782.81, 43,203.67 and 23,769.22

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Solution

The fourth proportional to 28,782.81, 43,203.67 and 23,769.22 is: 35,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.81 : 43,203.67 = 23,769.22 : x
  2. Step 2: Convert to fraction form
    28,782.81/43,203.67 = 23,769.22/x
  3. Step 3: Cross multiply
    28,782.81x = 43,203.67 × 23,769.22
  4. Step 4: Simplify right side
    28,782.81x = 1,026,917,537.04
  5. Step 5: Solve for x
    x = 1,026,917,537.04/28,782.81
  6. Step 6: Final answer
    x = 35,678.15

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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.