Home / 26,919.28-40,383.64-11,124.24

Finding the Fourth Proportional to 26,919.28, 40,383.64 and 11,124.24

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Solution

The fourth proportional to 26,919.28, 40,383.64 and 11,124.24 is: 16,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919.28 : 40,383.64 = 11,124.24 : x
  2. Step 2: Convert to fraction form
    26,919.28/40,383.64 = 11,124.24/x
  3. Step 3: Cross multiply
    26,919.28x = 40,383.64 × 11,124.24
  4. Step 4: Simplify right side
    26,919.28x = 449,237,303.43
  5. Step 5: Solve for x
    x = 449,237,303.43/26,919.28
  6. Step 6: Final answer
    x = 16,688.31

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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.