Home / 27,931.84-41,900.37-9,212.02

Finding the Fourth Proportional to 27,931.84, 41,900.37 and 9,212.02

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Solution

The fourth proportional to 27,931.84, 41,900.37 and 9,212.02 is: 13,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.84 : 41,900.37 = 9,212.02 : x
  2. Step 2: Convert to fraction form
    27,931.84/41,900.37 = 9,212.02/x
  3. Step 3: Cross multiply
    27,931.84x = 41,900.37 × 9,212.02
  4. Step 4: Simplify right side
    27,931.84x = 385,987,046.45
  5. Step 5: Solve for x
    x = 385,987,046.45/27,931.84
  6. Step 6: Final answer
    x = 13,818.89

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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.