Home / 27,913.44-38,519.64-15,337.38

Finding the Fourth Proportional to 27,913.44, 38,519.64 and 15,337.38

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Solution

The fourth proportional to 27,913.44, 38,519.64 and 15,337.38 is: 21,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.44 : 38,519.64 = 15,337.38 : x
  2. Step 2: Convert to fraction form
    27,913.44/38,519.64 = 15,337.38/x
  3. Step 3: Cross multiply
    27,913.44x = 38,519.64 × 15,337.38
  4. Step 4: Simplify right side
    27,913.44x = 590,790,356.14
  5. Step 5: Solve for x
    x = 590,790,356.14/27,913.44
  6. Step 6: Final answer
    x = 21,165.09

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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.