Home / 19,644.36-27,119.26-15,158.04

Finding the Fourth Proportional to 19,644.36, 27,119.26 and 15,158.04

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Solution

The fourth proportional to 19,644.36, 27,119.26 and 15,158.04 is: 20,925.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.36 : 27,119.26 = 15,158.04 : x
  2. Step 2: Convert to fraction form
    19,644.36/27,119.26 = 15,158.04/x
  3. Step 3: Cross multiply
    19,644.36x = 27,119.26 × 15,158.04
  4. Step 4: Simplify right side
    19,644.36x = 411,074,827.85
  5. Step 5: Solve for x
    x = 411,074,827.85/19,644.36
  6. Step 6: Final answer
    x = 20,925.84

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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.