Home / 27,086.88-37,387.84-15,759.04

Finding the Fourth Proportional to 27,086.88, 37,387.84 and 15,759.04

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Solution

The fourth proportional to 27,086.88, 37,387.84 and 15,759.04 is: 21,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.88 : 37,387.84 = 15,759.04 : x
  2. Step 2: Convert to fraction form
    27,086.88/37,387.84 = 15,759.04/x
  3. Step 3: Cross multiply
    27,086.88x = 37,387.84 × 15,759.04
  4. Step 4: Simplify right side
    27,086.88x = 589,196,466.07
  5. Step 5: Solve for x
    x = 589,196,466.07/27,086.88
  6. Step 6: Final answer
    x = 21,752.10

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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.