Home / 27,916.44-38,523.78-15,340.38

Finding the Fourth Proportional to 27,916.44, 38,523.78 and 15,340.38

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Solution

The fourth proportional to 27,916.44, 38,523.78 and 15,340.38 is: 21,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.44 : 38,523.78 = 15,340.38 : x
  2. Step 2: Convert to fraction form
    27,916.44/38,523.78 = 15,340.38/x
  3. Step 3: Cross multiply
    27,916.44x = 38,523.78 × 15,340.38
  4. Step 4: Simplify right side
    27,916.44x = 590,969,424.24
  5. Step 5: Solve for x
    x = 590,969,424.24/27,916.44
  6. Step 6: Final answer
    x = 21,169.23

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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.