Home / 26,587.26-36,656.34-21,789.54

Finding the Fourth Proportional to 26,587.26, 36,656.34 and 21,789.54

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Solution

The fourth proportional to 26,587.26, 36,656.34 and 21,789.54 is: 30,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.26 : 36,656.34 = 21,789.54 : x
  2. Step 2: Convert to fraction form
    26,587.26/36,656.34 = 21,789.54/x
  3. Step 3: Cross multiply
    26,587.26x = 36,656.34 × 21,789.54
  4. Step 4: Simplify right side
    26,587.26x = 798,724,786.68
  5. Step 5: Solve for x
    x = 798,724,786.68/26,587.26
  6. Step 6: Final answer
    x = 30,041.64

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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.