Home / 28,235.07-38,957.86-16,900.26

Finding the Fourth Proportional to 28,235.07, 38,957.86 and 16,900.26

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Solution

The fourth proportional to 28,235.07, 38,957.86 and 16,900.26 is: 23,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,235.07 : 38,957.86 = 16,900.26 : x
  2. Step 2: Convert to fraction form
    28,235.07/38,957.86 = 16,900.26/x
  3. Step 3: Cross multiply
    28,235.07x = 38,957.86 × 16,900.26
  4. Step 4: Simplify right side
    28,235.07x = 658,397,790.54
  5. Step 5: Solve for x
    x = 658,397,790.54/28,235.07
  6. Step 6: Final answer
    x = 23,318.44

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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.