Home / 69,519.65-104,278.40-16,928.69

Finding the Fourth Proportional to 69,519.65, 104,278.40 and 16,928.69

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Solution

The fourth proportional to 69,519.65, 104,278.40 and 16,928.69 is: 25,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,519.65 : 104,278.40 = 16,928.69 : x
  2. Step 2: Convert to fraction form
    69,519.65/104,278.40 = 16,928.69/x
  3. Step 3: Cross multiply
    69,519.65x = 104,278.40 × 16,928.69
  4. Step 4: Simplify right side
    69,519.65x = 1,765,296,622.65
  5. Step 5: Solve for x
    x = 1,765,296,622.65/69,519.65
  6. Step 6: Final answer
    x = 25,392.77

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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.