Home / 28,769.02-43,098.26-17,643.28

Finding the Fourth Proportional to 28,769.02, 43,098.26 and 17,643.28

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Solution

The fourth proportional to 28,769.02, 43,098.26 and 17,643.28 is: 26,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.02 : 43,098.26 = 17,643.28 : x
  2. Step 2: Convert to fraction form
    28,769.02/43,098.26 = 17,643.28/x
  3. Step 3: Cross multiply
    28,769.02x = 43,098.26 × 17,643.28
  4. Step 4: Simplify right side
    28,769.02x = 760,394,668.69
  5. Step 5: Solve for x
    x = 760,394,668.69/28,769.02
  6. Step 6: Final answer
    x = 26,431.02

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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.