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Finding the Fourth Proportional to 27,861.84, 41,799.75 and 13,053.51

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Solution

The fourth proportional to 27,861.84, 41,799.75 and 13,053.51 is: 19,583.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.84 : 41,799.75 = 13,053.51 : x
  2. Step 2: Convert to fraction form
    27,861.84/41,799.75 = 13,053.51/x
  3. Step 3: Cross multiply
    27,861.84x = 41,799.75 × 13,053.51
  4. Step 4: Simplify right side
    27,861.84x = 545,633,454.62
  5. Step 5: Solve for x
    x = 545,633,454.62/27,861.84
  6. Step 6: Final answer
    x = 19,583.54

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1.5x scale

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.