Home / 26,810.13-40,215.30-11,216.82

Finding the Fourth Proportional to 26,810.13, 40,215.30 and 11,216.82

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Solution

The fourth proportional to 26,810.13, 40,215.30 and 11,216.82 is: 16,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,810.13 : 40,215.30 = 11,216.82 : x
  2. Step 2: Convert to fraction form
    26,810.13/40,215.30 = 11,216.82/x
  3. Step 3: Cross multiply
    26,810.13x = 40,215.30 × 11,216.82
  4. Step 4: Simplify right side
    26,810.13x = 451,087,781.35
  5. Step 5: Solve for x
    x = 451,087,781.35/26,810.13
  6. Step 6: Final answer
    x = 16,825.27

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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.