Home / 27,531.63-41,299.47-7,811.64

Finding the Fourth Proportional to 27,531.63, 41,299.47 and 7,811.64

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Solution

The fourth proportional to 27,531.63, 41,299.47 and 7,811.64 is: 11,718.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.63 : 41,299.47 = 7,811.64 : x
  2. Step 2: Convert to fraction form
    27,531.63/41,299.47 = 7,811.64/x
  3. Step 3: Cross multiply
    27,531.63x = 41,299.47 × 7,811.64
  4. Step 4: Simplify right side
    27,531.63x = 322,616,591.83
  5. Step 5: Solve for x
    x = 322,616,591.83/27,531.63
  6. Step 6: Final answer
    x = 11,718.03

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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.