Home / 28,790.93-43,187.93-9,071.03

Finding the Fourth Proportional to 28,790.93, 43,187.93 and 9,071.03

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Solution

The fourth proportional to 28,790.93, 43,187.93 and 9,071.03 is: 13,607.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790.93 : 43,187.93 = 9,071.03 : x
  2. Step 2: Convert to fraction form
    28,790.93/43,187.93 = 9,071.03/x
  3. Step 3: Cross multiply
    28,790.93x = 43,187.93 × 9,071.03
  4. Step 4: Simplify right side
    28,790.93x = 391,758,747.37
  5. Step 5: Solve for x
    x = 391,758,747.37/28,790.93
  6. Step 6: Final answer
    x = 13,607.02

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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.