Home / 27,087.76-37,366.07-15,755.98

Finding the Fourth Proportional to 27,087.76, 37,366.07 and 15,755.98

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Solution

The fourth proportional to 27,087.76, 37,366.07 and 15,755.98 is: 21,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.76 : 37,366.07 = 15,755.98 : x
  2. Step 2: Convert to fraction form
    27,087.76/37,366.07 = 15,755.98/x
  3. Step 3: Cross multiply
    27,087.76x = 37,366.07 × 15,755.98
  4. Step 4: Simplify right side
    27,087.76x = 588,738,972.82
  5. Step 5: Solve for x
    x = 588,738,972.82/27,087.76
  6. Step 6: Final answer
    x = 21,734.50

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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.