Home / 27,324.55-37,706.56-15,387.67

Finding the Fourth Proportional to 27,324.55, 37,706.56 and 15,387.67

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Solution

The fourth proportional to 27,324.55, 37,706.56 and 15,387.67 is: 21,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,324.55 : 37,706.56 = 15,387.67 : x
  2. Step 2: Convert to fraction form
    27,324.55/37,706.56 = 15,387.67/x
  3. Step 3: Cross multiply
    27,324.55x = 37,706.56 × 15,387.67
  4. Step 4: Simplify right side
    27,324.55x = 580,216,102.12
  5. Step 5: Solve for x
    x = 580,216,102.12/27,324.55
  6. Step 6: Final answer
    x = 21,234.24

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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.