Home / 38,440.80-57,629.20-16,271.20

Finding the Fourth Proportional to 38,440.80, 57,629.20 and 16,271.20

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Solution

The fourth proportional to 38,440.80, 57,629.20 and 16,271.20 is: 24,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440.80 : 57,629.20 = 16,271.20 : x
  2. Step 2: Convert to fraction form
    38,440.80/57,629.20 = 16,271.20/x
  3. Step 3: Cross multiply
    38,440.80x = 57,629.20 × 16,271.20
  4. Step 4: Simplify right side
    38,440.80x = 937,696,239.04
  5. Step 5: Solve for x
    x = 937,696,239.04/38,440.80
  6. Step 6: Final answer
    x = 24,393.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.