Home / 28,782.24-39,719.92-16,852.56

Finding the Fourth Proportional to 28,782.24, 39,719.92 and 16,852.56

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Solution

The fourth proportional to 28,782.24, 39,719.92 and 16,852.56 is: 23,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.24 : 39,719.92 = 16,852.56 : x
  2. Step 2: Convert to fraction form
    28,782.24/39,719.92 = 16,852.56/x
  3. Step 3: Cross multiply
    28,782.24x = 39,719.92 × 16,852.56
  4. Step 4: Simplify right side
    28,782.24x = 669,382,335.00
  5. Step 5: Solve for x
    x = 669,382,335.00/28,782.24
  6. Step 6: Final answer
    x = 23,256.78

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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.