Home / 27,313.32-40,985.88-11,517.36

Finding the Fourth Proportional to 27,313.32, 40,985.88 and 11,517.36

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Solution

The fourth proportional to 27,313.32, 40,985.88 and 11,517.36 is: 17,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.32 : 40,985.88 = 11,517.36 : x
  2. Step 2: Convert to fraction form
    27,313.32/40,985.88 = 11,517.36/x
  3. Step 3: Cross multiply
    27,313.32x = 40,985.88 × 11,517.36
  4. Step 4: Simplify right side
    27,313.32x = 472,049,134.88
  5. Step 5: Solve for x
    x = 472,049,134.88/27,313.32
  6. Step 6: Final answer
    x = 17,282.74

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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.