Home / 26,272.80-39,409.20-16,431.30

Finding the Fourth Proportional to 26,272.80, 39,409.20 and 16,431.30

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Solution

The fourth proportional to 26,272.80, 39,409.20 and 16,431.30 is: 24,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,272.80 : 39,409.20 = 16,431.30 : x
  2. Step 2: Convert to fraction form
    26,272.80/39,409.20 = 16,431.30/x
  3. Step 3: Cross multiply
    26,272.80x = 39,409.20 × 16,431.30
  4. Step 4: Simplify right side
    26,272.80x = 647,544,387.96
  5. Step 5: Solve for x
    x = 647,544,387.96/26,272.80
  6. Step 6: Final answer
    x = 24,646.95

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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.