Home / 43,908.21-65,862.32-10,628.28

Finding the Fourth Proportional to 43,908.21, 65,862.32 and 10,628.28

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Solution

The fourth proportional to 43,908.21, 65,862.32 and 10,628.28 is: 15,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.21 : 65,862.32 = 10,628.28 : x
  2. Step 2: Convert to fraction form
    43,908.21/65,862.32 = 10,628.28/x
  3. Step 3: Cross multiply
    43,908.21x = 65,862.32 × 10,628.28
  4. Step 4: Simplify right side
    43,908.21x = 700,003,125.27
  5. Step 5: Solve for x
    x = 700,003,125.27/43,908.21
  6. Step 6: Final answer
    x = 15,942.42

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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.