Home / 26,900.12-40,361.28-11,899.36

Finding the Fourth Proportional to 26,900.12, 40,361.28 and 11,899.36

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Solution

The fourth proportional to 26,900.12, 40,361.28 and 11,899.36 is: 17,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,900.12 : 40,361.28 = 11,899.36 : x
  2. Step 2: Convert to fraction form
    26,900.12/40,361.28 = 11,899.36/x
  3. Step 3: Cross multiply
    26,900.12x = 40,361.28 × 11,899.36
  4. Step 4: Simplify right side
    26,900.12x = 480,273,400.78
  5. Step 5: Solve for x
    x = 480,273,400.78/26,900.12
  6. Step 6: Final answer
    x = 17,853.95

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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.