Home / 26,778.75-40,159.81-21,501.33

Finding the Fourth Proportional to 26,778.75, 40,159.81 and 21,501.33

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Solution

The fourth proportional to 26,778.75, 40,159.81 and 21,501.33 is: 32,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.75 : 40,159.81 = 21,501.33 : x
  2. Step 2: Convert to fraction form
    26,778.75/40,159.81 = 21,501.33/x
  3. Step 3: Cross multiply
    26,778.75x = 40,159.81 × 21,501.33
  4. Step 4: Simplify right side
    26,778.75x = 863,489,327.55
  5. Step 5: Solve for x
    x = 863,489,327.55/26,778.75
  6. Step 6: Final answer
    x = 32,245.32

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1.5x scale

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.