Home / 27,747.60-38,291.84-15,172.34

Finding the Fourth Proportional to 27,747.60, 38,291.84 and 15,172.34

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Solution

The fourth proportional to 27,747.60, 38,291.84 and 15,172.34 is: 20,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747.60 : 38,291.84 = 15,172.34 : x
  2. Step 2: Convert to fraction form
    27,747.60/38,291.84 = 15,172.34/x
  3. Step 3: Cross multiply
    27,747.60x = 38,291.84 × 15,172.34
  4. Step 4: Simplify right side
    27,747.60x = 580,976,815.71
  5. Step 5: Solve for x
    x = 580,976,815.71/27,747.60
  6. Step 6: Final answer
    x = 20,937.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.