Home / 27,152.62-40,718.40-9,380.00

Finding the Fourth Proportional to 27,152.62, 40,718.40 and 9,380.00

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Solution

The fourth proportional to 27,152.62, 40,718.40 and 9,380.00 is: 14,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.62 : 40,718.40 = 9,380.00 : x
  2. Step 2: Convert to fraction form
    27,152.62/40,718.40 = 9,380.00/x
  3. Step 3: Cross multiply
    27,152.62x = 40,718.40 × 9,380.00
  4. Step 4: Simplify right side
    27,152.62x = 381,938,658.62
  5. Step 5: Solve for x
    x = 381,938,658.62/27,152.62
  6. Step 6: Final answer
    x = 14,066.37

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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.