Home / 21,652.94-29,872.76-13,152.03

Finding the Fourth Proportional to 21,652.94, 29,872.76 and 13,152.03

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Solution

The fourth proportional to 21,652.94, 29,872.76 and 13,152.03 is: 18,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.94 : 29,872.76 = 13,152.03 : x
  2. Step 2: Convert to fraction form
    21,652.94/29,872.76 = 13,152.03/x
  3. Step 3: Cross multiply
    21,652.94x = 29,872.76 × 13,152.03
  4. Step 4: Simplify right side
    21,652.94x = 392,887,369.94
  5. Step 5: Solve for x
    x = 392,887,369.94/21,652.94
  6. Step 6: Final answer
    x = 18,144.76

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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.