Home / 26,869.82-40,304.05-7,148.55

Finding the Fourth Proportional to 26,869.82, 40,304.05 and 7,148.55

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Solution

The fourth proportional to 26,869.82, 40,304.05 and 7,148.55 is: 10,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.82 : 40,304.05 = 7,148.55 : x
  2. Step 2: Convert to fraction form
    26,869.82/40,304.05 = 7,148.55/x
  3. Step 3: Cross multiply
    26,869.82x = 40,304.05 × 7,148.55
  4. Step 4: Simplify right side
    26,869.82x = 288,115,516.63
  5. Step 5: Solve for x
    x = 288,115,516.63/26,869.82
  6. Step 6: Final answer
    x = 10,722.64

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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.