Home / 20,933.93-28,859.95-16,699.35

Finding the Fourth Proportional to 20,933.93, 28,859.95 and 16,699.35

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Solution

The fourth proportional to 20,933.93, 28,859.95 and 16,699.35 is: 23,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933.93 : 28,859.95 = 16,699.35 : x
  2. Step 2: Convert to fraction form
    20,933.93/28,859.95 = 16,699.35/x
  3. Step 3: Cross multiply
    20,933.93x = 28,859.95 × 16,699.35
  4. Step 4: Simplify right side
    20,933.93x = 481,942,406.03
  5. Step 5: Solve for x
    x = 481,942,406.03/20,933.93
  6. Step 6: Final answer
    x = 23,022.07

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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.