Home / 28,043.26-42,083.08-16,790.12

Finding the Fourth Proportional to 28,043.26, 42,083.08 and 16,790.12

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Solution

The fourth proportional to 28,043.26, 42,083.08 and 16,790.12 is: 25,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.26 : 42,083.08 = 16,790.12 : x
  2. Step 2: Convert to fraction form
    28,043.26/42,083.08 = 16,790.12/x
  3. Step 3: Cross multiply
    28,043.26x = 42,083.08 × 16,790.12
  4. Step 4: Simplify right side
    28,043.26x = 706,579,710.78
  5. Step 5: Solve for x
    x = 706,579,710.78/28,043.26
  6. Step 6: Final answer
    x = 25,196.06

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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.