Home / 26,760.11-40,141.07-12,712.88

Finding the Fourth Proportional to 26,760.11, 40,141.07 and 12,712.88

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Solution

The fourth proportional to 26,760.11, 40,141.07 and 12,712.88 is: 19,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.11 : 40,141.07 = 12,712.88 : x
  2. Step 2: Convert to fraction form
    26,760.11/40,141.07 = 12,712.88/x
  3. Step 3: Cross multiply
    26,760.11x = 40,141.07 × 12,712.88
  4. Step 4: Simplify right side
    26,760.11x = 510,308,690.44
  5. Step 5: Solve for x
    x = 510,308,690.44/26,760.11
  6. Step 6: Final answer
    x = 19,069.76

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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.