Home / 26,935.53-40,405.63-8,219.78

Finding the Fourth Proportional to 26,935.53, 40,405.63 and 8,219.78

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Solution

The fourth proportional to 26,935.53, 40,405.63 and 8,219.78 is: 12,330.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,935.53 : 40,405.63 = 8,219.78 : x
  2. Step 2: Convert to fraction form
    26,935.53/40,405.63 = 8,219.78/x
  3. Step 3: Cross multiply
    26,935.53x = 40,405.63 × 8,219.78
  4. Step 4: Simplify right side
    26,935.53x = 332,125,389.36
  5. Step 5: Solve for x
    x = 332,125,389.36/26,935.53
  6. Step 6: Final answer
    x = 12,330.38

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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.