Home / 28,693.99-43,049.36-12,045.25

Finding the Fourth Proportional to 28,693.99, 43,049.36 and 12,045.25

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Solution

The fourth proportional to 28,693.99, 43,049.36 and 12,045.25 is: 18,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.99 : 43,049.36 = 12,045.25 : x
  2. Step 2: Convert to fraction form
    28,693.99/43,049.36 = 12,045.25/x
  3. Step 3: Cross multiply
    28,693.99x = 43,049.36 × 12,045.25
  4. Step 4: Simplify right side
    28,693.99x = 518,540,303.54
  5. Step 5: Solve for x
    x = 518,540,303.54/28,693.99
  6. Step 6: Final answer
    x = 18,071.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.