Home / 27,046.26-40,541.58-12,985.20

Finding the Fourth Proportional to 27,046.26, 40,541.58 and 12,985.20

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Solution

The fourth proportional to 27,046.26, 40,541.58 and 12,985.20 is: 19,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,046.26 : 40,541.58 = 12,985.20 : x
  2. Step 2: Convert to fraction form
    27,046.26/40,541.58 = 12,985.20/x
  3. Step 3: Cross multiply
    27,046.26x = 40,541.58 × 12,985.20
  4. Step 4: Simplify right side
    27,046.26x = 526,440,524.62
  5. Step 5: Solve for x
    x = 526,440,524.62/27,046.26
  6. Step 6: Final answer
    x = 19,464.45

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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.