Home / 27,608.45-38,098.82-15,343.81

Finding the Fourth Proportional to 27,608.45, 38,098.82 and 15,343.81

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Solution

The fourth proportional to 27,608.45, 38,098.82 and 15,343.81 is: 21,173.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.45 : 38,098.82 = 15,343.81 : x
  2. Step 2: Convert to fraction form
    27,608.45/38,098.82 = 15,343.81/x
  3. Step 3: Cross multiply
    27,608.45x = 38,098.82 × 15,343.81
  4. Step 4: Simplify right side
    27,608.45x = 584,580,912.11
  5. Step 5: Solve for x
    x = 584,580,912.11/27,608.45
  6. Step 6: Final answer
    x = 21,173.99

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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.