Home / 28,941.67-39,930.69-16,193.53

Finding the Fourth Proportional to 28,941.67, 39,930.69 and 16,193.53

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Solution

The fourth proportional to 28,941.67, 39,930.69 and 16,193.53 is: 22,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.67 : 39,930.69 = 16,193.53 : x
  2. Step 2: Convert to fraction form
    28,941.67/39,930.69 = 16,193.53/x
  3. Step 3: Cross multiply
    28,941.67x = 39,930.69 × 16,193.53
  4. Step 4: Simplify right side
    28,941.67x = 646,618,826.44
  5. Step 5: Solve for x
    x = 646,618,826.44/28,941.67
  6. Step 6: Final answer
    x = 22,342.14

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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.