Home / 19,644.28-27,040.63-17,122

Finding the Fourth Proportional to 19,644.28, 27,040.63 and 17,122

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Solution

The fourth proportional to 19,644.28, 27,040.63 and 17,122 is: 23,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.28 : 27,040.63 = 17,122 : x
  2. Step 2: Convert to fraction form
    19,644.28/27,040.63 = 17,122/x
  3. Step 3: Cross multiply
    19,644.28x = 27,040.63 × 17,122
  4. Step 4: Simplify right side
    19,644.28x = 462,989,666.86
  5. Step 5: Solve for x
    x = 462,989,666.86/19,644.28
  6. Step 6: Final answer
    x = 23,568.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.