Home / 28,964.52-39,976.23-17,028.47

Finding the Fourth Proportional to 28,964.52, 39,976.23 and 17,028.47

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Solution

The fourth proportional to 28,964.52, 39,976.23 and 17,028.47 is: 23,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.52 : 39,976.23 = 17,028.47 : x
  2. Step 2: Convert to fraction form
    28,964.52/39,976.23 = 17,028.47/x
  3. Step 3: Cross multiply
    28,964.52x = 39,976.23 × 17,028.47
  4. Step 4: Simplify right side
    28,964.52x = 680,733,833.39
  5. Step 5: Solve for x
    x = 680,733,833.39/28,964.52
  6. Step 6: Final answer
    x = 23,502.33

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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.