Home / 21,719.29-32,546.13-16,146.49

Finding the Fourth Proportional to 21,719.29, 32,546.13 and 16,146.49

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Solution

The fourth proportional to 21,719.29, 32,546.13 and 16,146.49 is: 24,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.29 : 32,546.13 = 16,146.49 : x
  2. Step 2: Convert to fraction form
    21,719.29/32,546.13 = 16,146.49/x
  3. Step 3: Cross multiply
    21,719.29x = 32,546.13 × 16,146.49
  4. Step 4: Simplify right side
    21,719.29x = 525,505,762.58
  5. Step 5: Solve for x
    x = 525,505,762.58/21,719.29
  6. Step 6: Final answer
    x = 24,195.35

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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.