Home / 27,217.21-40,815.32-10,575.05

Finding the Fourth Proportional to 27,217.21, 40,815.32 and 10,575.05

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Solution

The fourth proportional to 27,217.21, 40,815.32 and 10,575.05 is: 15,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.21 : 40,815.32 = 10,575.05 : x
  2. Step 2: Convert to fraction form
    27,217.21/40,815.32 = 10,575.05/x
  3. Step 3: Cross multiply
    27,217.21x = 40,815.32 × 10,575.05
  4. Step 4: Simplify right side
    27,217.21x = 431,624,158.41
  5. Step 5: Solve for x
    x = 431,624,158.41/27,217.21
  6. Step 6: Final answer
    x = 15,858.50

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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.