Home / 21,844.49-30,133.22-15,134.04

Finding the Fourth Proportional to 21,844.49, 30,133.22 and 15,134.04

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Solution

The fourth proportional to 21,844.49, 30,133.22 and 15,134.04 is: 20,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844.49 : 30,133.22 = 15,134.04 : x
  2. Step 2: Convert to fraction form
    21,844.49/30,133.22 = 15,134.04/x
  3. Step 3: Cross multiply
    21,844.49x = 30,133.22 × 15,134.04
  4. Step 4: Simplify right side
    21,844.49x = 456,037,281.14
  5. Step 5: Solve for x
    x = 456,037,281.14/21,844.49
  6. Step 6: Final answer
    x = 20,876.54

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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.