Home / 28,534.38-39,380.39-16,435.26

Finding the Fourth Proportional to 28,534.38, 39,380.39 and 16,435.26

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Solution

The fourth proportional to 28,534.38, 39,380.39 and 16,435.26 is: 22,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534.38 : 39,380.39 = 16,435.26 : x
  2. Step 2: Convert to fraction form
    28,534.38/39,380.39 = 16,435.26/x
  3. Step 3: Cross multiply
    28,534.38x = 39,380.39 × 16,435.26
  4. Step 4: Simplify right side
    28,534.38x = 647,226,866.38
  5. Step 5: Solve for x
    x = 647,226,866.38/28,534.38
  6. Step 6: Final answer
    x = 22,682.36

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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.