Home / 26,964.28-40,436.70-18,643.96

Finding the Fourth Proportional to 26,964.28, 40,436.70 and 18,643.96

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Solution

The fourth proportional to 26,964.28, 40,436.70 and 18,643.96 is: 27,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,964.28 : 40,436.70 = 18,643.96 : x
  2. Step 2: Convert to fraction form
    26,964.28/40,436.70 = 18,643.96/x
  3. Step 3: Cross multiply
    26,964.28x = 40,436.70 × 18,643.96
  4. Step 4: Simplify right side
    26,964.28x = 753,900,217.33
  5. Step 5: Solve for x
    x = 753,900,217.33/26,964.28
  6. Step 6: Final answer
    x = 27,959.22

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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.