Home / 19,628.25-29,410.03-11,315.28

Finding the Fourth Proportional to 19,628.25, 29,410.03 and 11,315.28

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Solution

The fourth proportional to 19,628.25, 29,410.03 and 11,315.28 is: 16,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.25 : 29,410.03 = 11,315.28 : x
  2. Step 2: Convert to fraction form
    19,628.25/29,410.03 = 11,315.28/x
  3. Step 3: Cross multiply
    19,628.25x = 29,410.03 × 11,315.28
  4. Step 4: Simplify right side
    19,628.25x = 332,782,724.26
  5. Step 5: Solve for x
    x = 332,782,724.26/19,628.25
  6. Step 6: Final answer
    x = 16,954.27

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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.