Home / 27,197.20-40,792.56-7,477.76

Finding the Fourth Proportional to 27,197.20, 40,792.56 and 7,477.76

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Solution

The fourth proportional to 27,197.20, 40,792.56 and 7,477.76 is: 11,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,197.20 : 40,792.56 = 7,477.76 : x
  2. Step 2: Convert to fraction form
    27,197.20/40,792.56 = 7,477.76/x
  3. Step 3: Cross multiply
    27,197.20x = 40,792.56 × 7,477.76
  4. Step 4: Simplify right side
    27,197.20x = 305,036,973.47
  5. Step 5: Solve for x
    x = 305,036,973.47/27,197.20
  6. Step 6: Final answer
    x = 11,215.75

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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.