Home / 27,878.33-38,479.47-17,261.93

Finding the Fourth Proportional to 27,878.33, 38,479.47 and 17,261.93

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Solution

The fourth proportional to 27,878.33, 38,479.47 and 17,261.93 is: 23,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,878.33 : 38,479.47 = 17,261.93 : x
  2. Step 2: Convert to fraction form
    27,878.33/38,479.47 = 17,261.93/x
  3. Step 3: Cross multiply
    27,878.33x = 38,479.47 × 17,261.93
  4. Step 4: Simplify right side
    27,878.33x = 664,229,917.58
  5. Step 5: Solve for x
    x = 664,229,917.58/27,878.33
  6. Step 6: Final answer
    x = 23,826.03

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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.