Home / 26,810.72-40,219.20-10,183.20

Finding the Fourth Proportional to 26,810.72, 40,219.20 and 10,183.20

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Solution

The fourth proportional to 26,810.72, 40,219.20 and 10,183.20 is: 15,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,810.72 : 40,219.20 = 10,183.20 : x
  2. Step 2: Convert to fraction form
    26,810.72/40,219.20 = 10,183.20/x
  3. Step 3: Cross multiply
    26,810.72x = 40,219.20 × 10,183.20
  4. Step 4: Simplify right side
    26,810.72x = 409,560,157.44
  5. Step 5: Solve for x
    x = 409,560,157.44/26,810.72
  6. Step 6: Final answer
    x = 15,275.99

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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.