Home / 27,736.75-38,276.85-15,161.50

Finding the Fourth Proportional to 27,736.75, 38,276.85 and 15,161.50

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Solution

The fourth proportional to 27,736.75, 38,276.85 and 15,161.50 is: 20,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.75 : 38,276.85 = 15,161.50 : x
  2. Step 2: Convert to fraction form
    27,736.75/38,276.85 = 15,161.50/x
  3. Step 3: Cross multiply
    27,736.75x = 38,276.85 × 15,161.50
  4. Step 4: Simplify right side
    27,736.75x = 580,334,461.28
  5. Step 5: Solve for x
    x = 580,334,461.28/27,736.75
  6. Step 6: Final answer
    x = 20,922.94

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