Home / 27,436.05-37,861.10-15,335.79

Finding the Fourth Proportional to 27,436.05, 37,861.10 and 15,335.79

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Solution

The fourth proportional to 27,436.05, 37,861.10 and 15,335.79 is: 21,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.05 : 37,861.10 = 15,335.79 : x
  2. Step 2: Convert to fraction form
    27,436.05/37,861.10 = 15,335.79/x
  3. Step 3: Cross multiply
    27,436.05x = 37,861.10 × 15,335.79
  4. Step 4: Simplify right side
    27,436.05x = 580,629,802.09
  5. Step 5: Solve for x
    x = 580,629,802.09/27,436.05
  6. Step 6: Final answer
    x = 21,163.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.