Home / 27,797.06-38,359.20-15,860.18

Finding the Fourth Proportional to 27,797.06, 38,359.20 and 15,860.18

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Solution

The fourth proportional to 27,797.06, 38,359.20 and 15,860.18 is: 21,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,797.06 : 38,359.20 = 15,860.18 : x
  2. Step 2: Convert to fraction form
    27,797.06/38,359.20 = 15,860.18/x
  3. Step 3: Cross multiply
    27,797.06x = 38,359.20 × 15,860.18
  4. Step 4: Simplify right side
    27,797.06x = 608,383,816.66
  5. Step 5: Solve for x
    x = 608,383,816.66/27,797.06
  6. Step 6: Final answer
    x = 21,886.62

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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.