Home / 27,515.28-41,283.86-8,798.21

Finding the Fourth Proportional to 27,515.28, 41,283.86 and 8,798.21

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Solution

The fourth proportional to 27,515.28, 41,283.86 and 8,798.21 is: 13,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.28 : 41,283.86 = 8,798.21 : x
  2. Step 2: Convert to fraction form
    27,515.28/41,283.86 = 8,798.21/x
  3. Step 3: Cross multiply
    27,515.28x = 41,283.86 × 8,798.21
  4. Step 4: Simplify right side
    27,515.28x = 363,224,069.89
  5. Step 5: Solve for x
    x = 363,224,069.89/27,515.28
  6. Step 6: Final answer
    x = 13,200.81

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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.