Home / 28,958.67-39,963.74-16,211.79

Finding the Fourth Proportional to 28,958.67, 39,963.74 and 16,211.79

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Solution

The fourth proportional to 28,958.67, 39,963.74 and 16,211.79 is: 22,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.67 : 39,963.74 = 16,211.79 : x
  2. Step 2: Convert to fraction form
    28,958.67/39,963.74 = 16,211.79/x
  3. Step 3: Cross multiply
    28,958.67x = 39,963.74 × 16,211.79
  4. Step 4: Simplify right side
    28,958.67x = 647,883,679.44
  5. Step 5: Solve for x
    x = 647,883,679.44/28,958.67
  6. Step 6: Final answer
    x = 22,372.70

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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.