Home / 43,728.75-65,606.96-15,648.18

Finding the Fourth Proportional to 43,728.75, 65,606.96 and 15,648.18

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Solution

The fourth proportional to 43,728.75, 65,606.96 and 15,648.18 is: 23,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728.75 : 65,606.96 = 15,648.18 : x
  2. Step 2: Convert to fraction form
    43,728.75/65,606.96 = 15,648.18/x
  3. Step 3: Cross multiply
    43,728.75x = 65,606.96 × 15,648.18
  4. Step 4: Simplify right side
    43,728.75x = 1,026,629,519.33
  5. Step 5: Solve for x
    x = 1,026,629,519.33/43,728.75
  6. Step 6: Final answer
    x = 23,477.22

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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.