Home / 27,564.64-38,040-16,960.48

Finding the Fourth Proportional to 27,564.64, 38,040 and 16,960.48

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Solution

The fourth proportional to 27,564.64, 38,040 and 16,960.48 is: 23,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,564.64 : 38,040 = 16,960.48 : x
  2. Step 2: Convert to fraction form
    27,564.64/38,040 = 16,960.48/x
  3. Step 3: Cross multiply
    27,564.64x = 38,040 × 16,960.48
  4. Step 4: Simplify right side
    27,564.64x = 645,176,659.20
  5. Step 5: Solve for x
    x = 645,176,659.20/27,564.64
  6. Step 6: Final answer
    x = 23,405.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.