Home / 28,205.10-38,917.26-16,265.34

Finding the Fourth Proportional to 28,205.10, 38,917.26 and 16,265.34

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Solution

The fourth proportional to 28,205.10, 38,917.26 and 16,265.34 is: 22,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.10 : 38,917.26 = 16,265.34 : x
  2. Step 2: Convert to fraction form
    28,205.10/38,917.26 = 16,265.34/x
  3. Step 3: Cross multiply
    28,205.10x = 38,917.26 × 16,265.34
  4. Step 4: Simplify right side
    28,205.10x = 633,002,465.77
  5. Step 5: Solve for x
    x = 633,002,465.77/28,205.10
  6. Step 6: Final answer
    x = 22,442.84

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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.