Home / 28,291.56-39,033.06-17,109.48

Finding the Fourth Proportional to 28,291.56, 39,033.06 and 17,109.48

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Solution

The fourth proportional to 28,291.56, 39,033.06 and 17,109.48 is: 23,605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.56 : 39,033.06 = 17,109.48 : x
  2. Step 2: Convert to fraction form
    28,291.56/39,033.06 = 17,109.48/x
  3. Step 3: Cross multiply
    28,291.56x = 39,033.06 × 17,109.48
  4. Step 4: Simplify right side
    28,291.56x = 667,835,359.41
  5. Step 5: Solve for x
    x = 667,835,359.41/28,291.56
  6. Step 6: Final answer
    x = 23,605.46

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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.