Home / 27,195.72-40,759.20-15,515.52

Finding the Fourth Proportional to 27,195.72, 40,759.20 and 15,515.52

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Solution

The fourth proportional to 27,195.72, 40,759.20 and 15,515.52 is: 23,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,195.72 : 40,759.20 = 15,515.52 : x
  2. Step 2: Convert to fraction form
    27,195.72/40,759.20 = 15,515.52/x
  3. Step 3: Cross multiply
    27,195.72x = 40,759.20 × 15,515.52
  4. Step 4: Simplify right side
    27,195.72x = 632,400,182.78
  5. Step 5: Solve for x
    x = 632,400,182.78/27,195.72
  6. Step 6: Final answer
    x = 23,253.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.