Home / 17,739.71-26,609.67-5,259.84

Finding the Fourth Proportional to 17,739.71, 26,609.67 and 5,259.84

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Solution

The fourth proportional to 17,739.71, 26,609.67 and 5,259.84 is: 7,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.71 : 26,609.67 = 5,259.84 : x
  2. Step 2: Convert to fraction form
    17,739.71/26,609.67 = 5,259.84/x
  3. Step 3: Cross multiply
    17,739.71x = 26,609.67 × 5,259.84
  4. Step 4: Simplify right side
    17,739.71x = 139,962,606.65
  5. Step 5: Solve for x
    x = 139,962,606.65/17,739.71
  6. Step 6: Final answer
    x = 7,889.79

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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.