Home / 20,799.10-28,636.26-16,833.34

Finding the Fourth Proportional to 20,799.10, 28,636.26 and 16,833.34

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Solution

The fourth proportional to 20,799.10, 28,636.26 and 16,833.34 is: 23,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.10 : 28,636.26 = 16,833.34 : x
  2. Step 2: Convert to fraction form
    20,799.10/28,636.26 = 16,833.34/x
  3. Step 3: Cross multiply
    20,799.10x = 28,636.26 × 16,833.34
  4. Step 4: Simplify right side
    20,799.10x = 482,043,900.91
  5. Step 5: Solve for x
    x = 482,043,900.91/20,799.10
  6. Step 6: Final answer
    x = 23,176.19

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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.