Home / 27,619.16-38,113.14-15,043.88

Finding the Fourth Proportional to 27,619.16, 38,113.14 and 15,043.88

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Solution

The fourth proportional to 27,619.16, 38,113.14 and 15,043.88 is: 20,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.16 : 38,113.14 = 15,043.88 : x
  2. Step 2: Convert to fraction form
    27,619.16/38,113.14 = 15,043.88/x
  3. Step 3: Cross multiply
    27,619.16x = 38,113.14 × 15,043.88
  4. Step 4: Simplify right side
    27,619.16x = 573,369,504.58
  5. Step 5: Solve for x
    x = 573,369,504.58/27,619.16
  6. Step 6: Final answer
    x = 20,759.85

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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.