Home / 28,769.65-43,099.19-17,643.90

Finding the Fourth Proportional to 28,769.65, 43,099.19 and 17,643.90

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Solution

The fourth proportional to 28,769.65, 43,099.19 and 17,643.90 is: 26,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.65 : 43,099.19 = 17,643.90 : x
  2. Step 2: Convert to fraction form
    28,769.65/43,099.19 = 17,643.90/x
  3. Step 3: Cross multiply
    28,769.65x = 43,099.19 × 17,643.90
  4. Step 4: Simplify right side
    28,769.65x = 760,437,798.44
  5. Step 5: Solve for x
    x = 760,437,798.44/28,769.65
  6. Step 6: Final answer
    x = 26,431.94

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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.