Home / 28,930.20-39,922.08-16,354.16

Finding the Fourth Proportional to 28,930.20, 39,922.08 and 16,354.16

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Solution

The fourth proportional to 28,930.20, 39,922.08 and 16,354.16 is: 22,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.20 : 39,922.08 = 16,354.16 : x
  2. Step 2: Convert to fraction form
    28,930.20/39,922.08 = 16,354.16/x
  3. Step 3: Cross multiply
    28,930.20x = 39,922.08 × 16,354.16
  4. Step 4: Simplify right side
    28,930.20x = 652,892,083.85
  5. Step 5: Solve for x
    x = 652,892,083.85/28,930.20
  6. Step 6: Final answer
    x = 22,567.84

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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.