Home / 27,867.78-38,422.35-23,833.98

Finding the Fourth Proportional to 27,867.78, 38,422.35 and 23,833.98

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Solution

The fourth proportional to 27,867.78, 38,422.35 and 23,833.98 is: 32,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.78 : 38,422.35 = 23,833.98 : x
  2. Step 2: Convert to fraction form
    27,867.78/38,422.35 = 23,833.98/x
  3. Step 3: Cross multiply
    27,867.78x = 38,422.35 × 23,833.98
  4. Step 4: Simplify right side
    27,867.78x = 915,757,521.45
  5. Step 5: Solve for x
    x = 915,757,521.45/27,867.78
  6. Step 6: Final answer
    x = 32,860.80

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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.