Home / 27,455.94-37,889.01-15,519.24

Finding the Fourth Proportional to 27,455.94, 37,889.01 and 15,519.24

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Solution

The fourth proportional to 27,455.94, 37,889.01 and 15,519.24 is: 21,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.94 : 37,889.01 = 15,519.24 : x
  2. Step 2: Convert to fraction form
    27,455.94/37,889.01 = 15,519.24/x
  3. Step 3: Cross multiply
    27,455.94x = 37,889.01 × 15,519.24
  4. Step 4: Simplify right side
    27,455.94x = 588,008,639.55
  5. Step 5: Solve for x
    x = 588,008,639.55/27,455.94
  6. Step 6: Final answer
    x = 21,416.45

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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.