Home / 26,999.21-40,498.64-9,221.29

Finding the Fourth Proportional to 26,999.21, 40,498.64 and 9,221.29

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Solution

The fourth proportional to 26,999.21, 40,498.64 and 9,221.29 is: 13,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.21 : 40,498.64 = 9,221.29 : x
  2. Step 2: Convert to fraction form
    26,999.21/40,498.64 = 9,221.29/x
  3. Step 3: Cross multiply
    26,999.21x = 40,498.64 × 9,221.29
  4. Step 4: Simplify right side
    26,999.21x = 373,449,657.94
  5. Step 5: Solve for x
    x = 373,449,657.94/26,999.21
  6. Step 6: Final answer
    x = 13,831.88

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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.