Home / 28,871.27-39,839.64-16,932.30

Finding the Fourth Proportional to 28,871.27, 39,839.64 and 16,932.30

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Solution

The fourth proportional to 28,871.27, 39,839.64 and 16,932.30 is: 23,364.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.27 : 39,839.64 = 16,932.30 : x
  2. Step 2: Convert to fraction form
    28,871.27/39,839.64 = 16,932.30/x
  3. Step 3: Cross multiply
    28,871.27x = 39,839.64 × 16,932.30
  4. Step 4: Simplify right side
    28,871.27x = 674,576,736.37
  5. Step 5: Solve for x
    x = 674,576,736.37/28,871.27
  6. Step 6: Final answer
    x = 23,364.99

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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.