Home / 27,087.62-37,381.02-15,150.20

Finding the Fourth Proportional to 27,087.62, 37,381.02 and 15,150.20

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Solution

The fourth proportional to 27,087.62, 37,381.02 and 15,150.20 is: 20,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.62 : 37,381.02 = 15,150.20 : x
  2. Step 2: Convert to fraction form
    27,087.62/37,381.02 = 15,150.20/x
  3. Step 3: Cross multiply
    27,087.62x = 37,381.02 × 15,150.20
  4. Step 4: Simplify right side
    27,087.62x = 566,329,713.27
  5. Step 5: Solve for x
    x = 566,329,713.27/27,087.62
  6. Step 6: Final answer
    x = 20,907.32

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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.