Home / 26,954.08-40,405.20-13,812.64

Finding the Fourth Proportional to 26,954.08, 40,405.20 and 13,812.64

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Solution

The fourth proportional to 26,954.08, 40,405.20 and 13,812.64 is: 20,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,954.08 : 40,405.20 = 13,812.64 : x
  2. Step 2: Convert to fraction form
    26,954.08/40,405.20 = 13,812.64/x
  3. Step 3: Cross multiply
    26,954.08x = 40,405.20 × 13,812.64
  4. Step 4: Simplify right side
    26,954.08x = 558,102,481.73
  5. Step 5: Solve for x
    x = 558,102,481.73/26,954.08
  6. Step 6: Final answer
    x = 20,705.68

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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.