Home / 27,711.98-38,230.36-16,957.37

Finding the Fourth Proportional to 27,711.98, 38,230.36 and 16,957.37

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Solution

The fourth proportional to 27,711.98, 38,230.36 and 16,957.37 is: 23,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,711.98 : 38,230.36 = 16,957.37 : x
  2. Step 2: Convert to fraction form
    27,711.98/38,230.36 = 16,957.37/x
  3. Step 3: Cross multiply
    27,711.98x = 38,230.36 × 16,957.37
  4. Step 4: Simplify right side
    27,711.98x = 648,286,083.81
  5. Step 5: Solve for x
    x = 648,286,083.81/27,711.98
  6. Step 6: Final answer
    x = 23,393.71

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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.