Home / 27,867.18-38,455.94-16,961.22

Finding the Fourth Proportional to 27,867.18, 38,455.94 and 16,961.22

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Solution

The fourth proportional to 27,867.18, 38,455.94 and 16,961.22 is: 23,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.18 : 38,455.94 = 16,961.22 : x
  2. Step 2: Convert to fraction form
    27,867.18/38,455.94 = 16,961.22/x
  3. Step 3: Cross multiply
    27,867.18x = 38,455.94 × 16,961.22
  4. Step 4: Simplify right side
    27,867.18x = 652,259,573.84
  5. Step 5: Solve for x
    x = 652,259,573.84/27,867.18
  6. Step 6: Final answer
    x = 23,406.01

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1.5x scale

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.