Home / 27,087.89-37,366.24-15,756.11

Finding the Fourth Proportional to 27,087.89, 37,366.24 and 15,756.11

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Solution

The fourth proportional to 27,087.89, 37,366.24 and 15,756.11 is: 21,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.89 : 37,366.24 = 15,756.11 : x
  2. Step 2: Convert to fraction form
    27,087.89/37,366.24 = 15,756.11/x
  3. Step 3: Cross multiply
    27,087.89x = 37,366.24 × 15,756.11
  4. Step 4: Simplify right side
    27,087.89x = 588,746,361.50
  5. Step 5: Solve for x
    x = 588,746,361.50/27,087.89
  6. Step 6: Final answer
    x = 21,734.67

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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.