Home / 18,630.36-27,920.70-16,284.60

Finding the Fourth Proportional to 18,630.36, 27,920.70 and 16,284.60

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Solution

The fourth proportional to 18,630.36, 27,920.70 and 16,284.60 is: 24,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.36 : 27,920.70 = 16,284.60 : x
  2. Step 2: Convert to fraction form
    18,630.36/27,920.70 = 16,284.60/x
  3. Step 3: Cross multiply
    18,630.36x = 27,920.70 × 16,284.60
  4. Step 4: Simplify right side
    18,630.36x = 454,677,431.22
  5. Step 5: Solve for x
    x = 454,677,431.22/18,630.36
  6. Step 6: Final answer
    x = 24,405.19

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1.5x scale

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.