Home / 43,486.16-65,227.19-15,405.75

Finding the Fourth Proportional to 43,486.16, 65,227.19 and 15,405.75

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Solution

The fourth proportional to 43,486.16, 65,227.19 and 15,405.75 is: 23,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.16 : 65,227.19 = 15,405.75 : x
  2. Step 2: Convert to fraction form
    43,486.16/65,227.19 = 15,405.75/x
  3. Step 3: Cross multiply
    43,486.16x = 65,227.19 × 15,405.75
  4. Step 4: Simplify right side
    43,486.16x = 1,004,873,705.31
  5. Step 5: Solve for x
    x = 1,004,873,705.31/43,486.16
  6. Step 6: Final answer
    x = 23,107.90

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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.