Home / 28,021.62-38,668.44-16,084.68

Finding the Fourth Proportional to 28,021.62, 38,668.44 and 16,084.68

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Solution

The fourth proportional to 28,021.62, 38,668.44 and 16,084.68 is: 22,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,021.62 : 38,668.44 = 16,084.68 : x
  2. Step 2: Convert to fraction form
    28,021.62/38,668.44 = 16,084.68/x
  3. Step 3: Cross multiply
    28,021.62x = 38,668.44 × 16,084.68
  4. Step 4: Simplify right side
    28,021.62x = 621,969,483.50
  5. Step 5: Solve for x
    x = 621,969,483.50/28,021.62
  6. Step 6: Final answer
    x = 22,196.06

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1.5x scale

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.