Home / 19,171.20-26,456.96-10,788.48

Finding the Fourth Proportional to 19,171.20, 26,456.96 and 10,788.48

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Solution

The fourth proportional to 19,171.20, 26,456.96 and 10,788.48 is: 14,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.20 : 26,456.96 = 10,788.48 : x
  2. Step 2: Convert to fraction form
    19,171.20/26,456.96 = 10,788.48/x
  3. Step 3: Cross multiply
    19,171.20x = 26,456.96 × 10,788.48
  4. Step 4: Simplify right side
    19,171.20x = 285,430,383.82
  5. Step 5: Solve for x
    x = 285,430,383.82/19,171.20
  6. Step 6: Final answer
    x = 14,888.50

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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.