Home / 26,790.20-40,127.70-16,422.20

Finding the Fourth Proportional to 26,790.20, 40,127.70 and 16,422.20

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Solution

The fourth proportional to 26,790.20, 40,127.70 and 16,422.20 is: 24,597.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.20 : 40,127.70 = 16,422.20 : x
  2. Step 2: Convert to fraction form
    26,790.20/40,127.70 = 16,422.20/x
  3. Step 3: Cross multiply
    26,790.20x = 40,127.70 × 16,422.20
  4. Step 4: Simplify right side
    26,790.20x = 658,985,114.94
  5. Step 5: Solve for x
    x = 658,985,114.94/26,790.20
  6. Step 6: Final answer
    x = 24,597.99

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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.