Home / 28,429.39-39,222.30-16,941.97

Finding the Fourth Proportional to 28,429.39, 39,222.30 and 16,941.97

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Solution

The fourth proportional to 28,429.39, 39,222.30 and 16,941.97 is: 23,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429.39 : 39,222.30 = 16,941.97 : x
  2. Step 2: Convert to fraction form
    28,429.39/39,222.30 = 16,941.97/x
  3. Step 3: Cross multiply
    28,429.39x = 39,222.30 × 16,941.97
  4. Step 4: Simplify right side
    28,429.39x = 664,503,029.93
  5. Step 5: Solve for x
    x = 664,503,029.93/28,429.39
  6. Step 6: Final answer
    x = 23,373.81

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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.