Home / 27,319.17-40,984.20-8,603.93

Finding the Fourth Proportional to 27,319.17, 40,984.20 and 8,603.93

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Solution

The fourth proportional to 27,319.17, 40,984.20 and 8,603.93 is: 12,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.17 : 40,984.20 = 8,603.93 : x
  2. Step 2: Convert to fraction form
    27,319.17/40,984.20 = 8,603.93/x
  3. Step 3: Cross multiply
    27,319.17x = 40,984.20 × 8,603.93
  4. Step 4: Simplify right side
    27,319.17x = 352,624,982.99
  5. Step 5: Solve for x
    x = 352,624,982.99/27,319.17
  6. Step 6: Final answer
    x = 12,907.60

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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.