Home / 17,769.78-26,654.06-5,289.81

Finding the Fourth Proportional to 17,769.78, 26,654.06 and 5,289.81

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Solution

The fourth proportional to 17,769.78, 26,654.06 and 5,289.81 is: 7,934.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769.78 : 26,654.06 = 5,289.81 : x
  2. Step 2: Convert to fraction form
    17,769.78/26,654.06 = 5,289.81/x
  3. Step 3: Cross multiply
    17,769.78x = 26,654.06 × 5,289.81
  4. Step 4: Simplify right side
    17,769.78x = 140,994,826.40
  5. Step 5: Solve for x
    x = 140,994,826.40/17,769.78
  6. Step 6: Final answer
    x = 7,934.53

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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.