Home / 19,381.88-29,033.36-17,767.28

Finding the Fourth Proportional to 19,381.88, 29,033.36 and 17,767.28

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Solution

The fourth proportional to 19,381.88, 29,033.36 and 17,767.28 is: 26,614.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381.88 : 29,033.36 = 17,767.28 : x
  2. Step 2: Convert to fraction form
    19,381.88/29,033.36 = 17,767.28/x
  3. Step 3: Cross multiply
    19,381.88x = 29,033.36 × 17,767.28
  4. Step 4: Simplify right side
    19,381.88x = 515,843,836.46
  5. Step 5: Solve for x
    x = 515,843,836.46/19,381.88
  6. Step 6: Final answer
    x = 26,614.75

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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.