Home / 26,851.20-40,276.80-11,264.64

Finding the Fourth Proportional to 26,851.20, 40,276.80 and 11,264.64

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Solution

The fourth proportional to 26,851.20, 40,276.80 and 11,264.64 is: 16,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.20 : 40,276.80 = 11,264.64 : x
  2. Step 2: Convert to fraction form
    26,851.20/40,276.80 = 11,264.64/x
  3. Step 3: Cross multiply
    26,851.20x = 40,276.80 × 11,264.64
  4. Step 4: Simplify right side
    26,851.20x = 453,703,652.35
  5. Step 5: Solve for x
    x = 453,703,652.35/26,851.20
  6. Step 6: Final answer
    x = 16,896.96

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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.