Home / 18,531.60-27,731.74-16,344.60

Finding the Fourth Proportional to 18,531.60, 27,731.74 and 16,344.60

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Solution

The fourth proportional to 18,531.60, 27,731.74 and 16,344.60 is: 24,458.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.60 : 27,731.74 = 16,344.60 : x
  2. Step 2: Convert to fraction form
    18,531.60/27,731.74 = 16,344.60/x
  3. Step 3: Cross multiply
    18,531.60x = 27,731.74 × 16,344.60
  4. Step 4: Simplify right side
    18,531.60x = 453,264,197.60
  5. Step 5: Solve for x
    x = 453,264,197.60/18,531.60
  6. Step 6: Final answer
    x = 24,458.99

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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.