Home / 27,207.04-40,818.18-9,678.64

Finding the Fourth Proportional to 27,207.04, 40,818.18 and 9,678.64

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Solution

The fourth proportional to 27,207.04, 40,818.18 and 9,678.64 is: 14,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,207.04 : 40,818.18 = 9,678.64 : x
  2. Step 2: Convert to fraction form
    27,207.04/40,818.18 = 9,678.64/x
  3. Step 3: Cross multiply
    27,207.04x = 40,818.18 × 9,678.64
  4. Step 4: Simplify right side
    27,207.04x = 395,064,469.68
  5. Step 5: Solve for x
    x = 395,064,469.68/27,207.04
  6. Step 6: Final answer
    x = 14,520.67

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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.