Home / 20,496.63-28,293.29-16,021.83

Finding the Fourth Proportional to 20,496.63, 28,293.29 and 16,021.83

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Solution

The fourth proportional to 20,496.63, 28,293.29 and 16,021.83 is: 22,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.63 : 28,293.29 = 16,021.83 : x
  2. Step 2: Convert to fraction form
    20,496.63/28,293.29 = 16,021.83/x
  3. Step 3: Cross multiply
    20,496.63x = 28,293.29 × 16,021.83
  4. Step 4: Simplify right side
    20,496.63x = 453,310,107.34
  5. Step 5: Solve for x
    x = 453,310,107.34/20,496.63
  6. Step 6: Final answer
    x = 22,116.32

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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.