Home / 27,086.58-37,378.80-15,150.42

Finding the Fourth Proportional to 27,086.58, 37,378.80 and 15,150.42

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Solution

The fourth proportional to 27,086.58, 37,378.80 and 15,150.42 is: 20,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.58 : 37,378.80 = 15,150.42 : x
  2. Step 2: Convert to fraction form
    27,086.58/37,378.80 = 15,150.42/x
  3. Step 3: Cross multiply
    27,086.58x = 37,378.80 × 15,150.42
  4. Step 4: Simplify right side
    27,086.58x = 566,304,519.10
  5. Step 5: Solve for x
    x = 566,304,519.10/27,086.58
  6. Step 6: Final answer
    x = 20,907.20

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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.