Home / 26,813.12-40,219.20-11,014.72

Finding the Fourth Proportional to 26,813.12, 40,219.20 and 11,014.72

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Solution

The fourth proportional to 26,813.12, 40,219.20 and 11,014.72 is: 16,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,813.12 : 40,219.20 = 11,014.72 : x
  2. Step 2: Convert to fraction form
    26,813.12/40,219.20 = 11,014.72/x
  3. Step 3: Cross multiply
    26,813.12x = 40,219.20 × 11,014.72
  4. Step 4: Simplify right side
    26,813.12x = 443,003,226.62
  5. Step 5: Solve for x
    x = 443,003,226.62/26,813.12
  6. Step 6: Final answer
    x = 16,521.88

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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.