Home / 26,283.50-36,261.72-20,235.58

Finding the Fourth Proportional to 26,283.50, 36,261.72 and 20,235.58

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Solution

The fourth proportional to 26,283.50, 36,261.72 and 20,235.58 is: 27,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,283.50 : 36,261.72 = 20,235.58 : x
  2. Step 2: Convert to fraction form
    26,283.50/36,261.72 = 20,235.58/x
  3. Step 3: Cross multiply
    26,283.50x = 36,261.72 × 20,235.58
  4. Step 4: Simplify right side
    26,283.50x = 733,776,936.00
  5. Step 5: Solve for x
    x = 733,776,936.00/26,283.50
  6. Step 6: Final answer
    x = 27,917.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.