Home / 20,629.38-28,470.96-17,266.26

Finding the Fourth Proportional to 20,629.38, 28,470.96 and 17,266.26

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Solution

The fourth proportional to 20,629.38, 28,470.96 and 17,266.26 is: 23,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629.38 : 28,470.96 = 17,266.26 : x
  2. Step 2: Convert to fraction form
    20,629.38/28,470.96 = 17,266.26/x
  3. Step 3: Cross multiply
    20,629.38x = 28,470.96 × 17,266.26
  4. Step 4: Simplify right side
    20,629.38x = 491,586,997.81
  5. Step 5: Solve for x
    x = 491,586,997.81/20,629.38
  6. Step 6: Final answer
    x = 23,829.46

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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.