Home / 27,833.40-38,405.88-15,894.54

Finding the Fourth Proportional to 27,833.40, 38,405.88 and 15,894.54

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Solution

The fourth proportional to 27,833.40, 38,405.88 and 15,894.54 is: 21,932.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,833.40 : 38,405.88 = 15,894.54 : x
  2. Step 2: Convert to fraction form
    27,833.40/38,405.88 = 15,894.54/x
  3. Step 3: Cross multiply
    27,833.40x = 38,405.88 × 15,894.54
  4. Step 4: Simplify right side
    27,833.40x = 610,443,795.90
  5. Step 5: Solve for x
    x = 610,443,795.90/27,833.40
  6. Step 6: Final answer
    x = 21,932.06

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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.