Home / 27,011.36-40,517.04-7,289.89

Finding the Fourth Proportional to 27,011.36, 40,517.04 and 7,289.89

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Solution

The fourth proportional to 27,011.36, 40,517.04 and 7,289.89 is: 10,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,011.36 : 40,517.04 = 7,289.89 : x
  2. Step 2: Convert to fraction form
    27,011.36/40,517.04 = 7,289.89/x
  3. Step 3: Cross multiply
    27,011.36x = 40,517.04 × 7,289.89
  4. Step 4: Simplify right side
    27,011.36x = 295,364,690.77
  5. Step 5: Solve for x
    x = 295,364,690.77/27,011.36
  6. Step 6: Final answer
    x = 10,934.83

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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.