Home / 27,889.44-38,493.36-16,717.92

Finding the Fourth Proportional to 27,889.44, 38,493.36 and 16,717.92

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Solution

The fourth proportional to 27,889.44, 38,493.36 and 16,717.92 is: 23,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889.44 : 38,493.36 = 16,717.92 : x
  2. Step 2: Convert to fraction form
    27,889.44/38,493.36 = 16,717.92/x
  3. Step 3: Cross multiply
    27,889.44x = 38,493.36 × 16,717.92
  4. Step 4: Simplify right side
    27,889.44x = 643,528,913.01
  5. Step 5: Solve for x
    x = 643,528,913.01/27,889.44
  6. Step 6: Final answer
    x = 23,074.29

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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.