Home / 28,768.77-43,141.82-13,973.31

Finding the Fourth Proportional to 28,768.77, 43,141.82 and 13,973.31

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Solution

The fourth proportional to 28,768.77, 43,141.82 and 13,973.31 is: 20,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.77 : 43,141.82 = 13,973.31 : x
  2. Step 2: Convert to fraction form
    28,768.77/43,141.82 = 13,973.31/x
  3. Step 3: Cross multiply
    28,768.77x = 43,141.82 × 13,973.31
  4. Step 4: Simplify right side
    28,768.77x = 602,833,954.96
  5. Step 5: Solve for x
    x = 602,833,954.96/28,768.77
  6. Step 6: Final answer
    x = 20,954.46

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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.