Home / 28,682.59-39,582.44-16,107.07

Finding the Fourth Proportional to 28,682.59, 39,582.44 and 16,107.07

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Solution

The fourth proportional to 28,682.59, 39,582.44 and 16,107.07 is: 22,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.59 : 39,582.44 = 16,107.07 : x
  2. Step 2: Convert to fraction form
    28,682.59/39,582.44 = 16,107.07/x
  3. Step 3: Cross multiply
    28,682.59x = 39,582.44 × 16,107.07
  4. Step 4: Simplify right side
    28,682.59x = 637,557,131.85
  5. Step 5: Solve for x
    x = 637,557,131.85/28,682.59
  6. Step 6: Final answer
    x = 22,228.02

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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.