Home / 28,371.94-42,554.09-11,729.68

Finding the Fourth Proportional to 28,371.94, 42,554.09 and 11,729.68

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Solution

The fourth proportional to 28,371.94, 42,554.09 and 11,729.68 is: 17,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371.94 : 42,554.09 = 11,729.68 : x
  2. Step 2: Convert to fraction form
    28,371.94/42,554.09 = 11,729.68/x
  3. Step 3: Cross multiply
    28,371.94x = 42,554.09 × 11,729.68
  4. Step 4: Simplify right side
    28,371.94x = 499,145,781.33
  5. Step 5: Solve for x
    x = 499,145,781.33/28,371.94
  6. Step 6: Final answer
    x = 17,592.94

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1.5x scale

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.