Home / 27,087.50-37,380.84-15,150.07

Finding the Fourth Proportional to 27,087.50, 37,380.84 and 15,150.07

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Solution

The fourth proportional to 27,087.50, 37,380.84 and 15,150.07 is: 20,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.50 : 37,380.84 = 15,150.07 : x
  2. Step 2: Convert to fraction form
    27,087.50/37,380.84 = 15,150.07/x
  3. Step 3: Cross multiply
    27,087.50x = 37,380.84 × 15,150.07
  4. Step 4: Simplify right side
    27,087.50x = 566,322,417.79
  5. Step 5: Solve for x
    x = 566,322,417.79/27,087.50
  6. Step 6: Final answer
    x = 20,907.15

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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.