Home / 28,662.38-39,554.09-16,087.13

Finding the Fourth Proportional to 28,662.38, 39,554.09 and 16,087.13

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Solution

The fourth proportional to 28,662.38, 39,554.09 and 16,087.13 is: 22,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662.38 : 39,554.09 = 16,087.13 : x
  2. Step 2: Convert to fraction form
    28,662.38/39,554.09 = 16,087.13/x
  3. Step 3: Cross multiply
    28,662.38x = 39,554.09 × 16,087.13
  4. Step 4: Simplify right side
    28,662.38x = 636,311,509.66
  5. Step 5: Solve for x
    x = 636,311,509.66/28,662.38
  6. Step 6: Final answer
    x = 22,200.24

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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.