Home / 26,493.72-36,558.40-21,186.60

Finding the Fourth Proportional to 26,493.72, 36,558.40 and 21,186.60

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Solution

The fourth proportional to 26,493.72, 36,558.40 and 21,186.60 is: 29,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,493.72 : 36,558.40 = 21,186.60 : x
  2. Step 2: Convert to fraction form
    26,493.72/36,558.40 = 21,186.60/x
  3. Step 3: Cross multiply
    26,493.72x = 36,558.40 × 21,186.60
  4. Step 4: Simplify right side
    26,493.72x = 774,548,197.44
  5. Step 5: Solve for x
    x = 774,548,197.44/26,493.72
  6. Step 6: Final answer
    x = 29,235.16

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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.