Home / 18,128.70-27,265.95-16,233.30

Finding the Fourth Proportional to 18,128.70, 27,265.95 and 16,233.30

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Solution

The fourth proportional to 18,128.70, 27,265.95 and 16,233.30 is: 24,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128.70 : 27,265.95 = 16,233.30 : x
  2. Step 2: Convert to fraction form
    18,128.70/27,265.95 = 16,233.30/x
  3. Step 3: Cross multiply
    18,128.70x = 27,265.95 × 16,233.30
  4. Step 4: Simplify right side
    18,128.70x = 442,616,346.14
  5. Step 5: Solve for x
    x = 442,616,346.14/18,128.70
  6. Step 6: Final answer
    x = 24,415.23

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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.