Home / 20,932.93-28,858.57-16,698.35

Finding the Fourth Proportional to 20,932.93, 28,858.57 and 16,698.35

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Solution

The fourth proportional to 20,932.93, 28,858.57 and 16,698.35 is: 23,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932.93 : 28,858.57 = 16,698.35 : x
  2. Step 2: Convert to fraction form
    20,932.93/28,858.57 = 16,698.35/x
  3. Step 3: Cross multiply
    20,932.93x = 28,858.57 × 16,698.35
  4. Step 4: Simplify right side
    20,932.93x = 481,890,502.36
  5. Step 5: Solve for x
    x = 481,890,502.36/20,932.93
  6. Step 6: Final answer
    x = 23,020.69

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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.