Home / 26,972.16-40,392.60-18,629.96

Finding the Fourth Proportional to 26,972.16, 40,392.60 and 18,629.96

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Solution

The fourth proportional to 26,972.16, 40,392.60 and 18,629.96 is: 27,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,972.16 : 40,392.60 = 18,629.96 : x
  2. Step 2: Convert to fraction form
    26,972.16/40,392.60 = 18,629.96/x
  3. Step 3: Cross multiply
    26,972.16x = 40,392.60 × 18,629.96
  4. Step 4: Simplify right side
    26,972.16x = 752,512,522.30
  5. Step 5: Solve for x
    x = 752,512,522.30/26,972.16
  6. Step 6: Final answer
    x = 27,899.60

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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.