Home / 28,163.66-42,246.28-10,629.58

Finding the Fourth Proportional to 28,163.66, 42,246.28 and 10,629.58

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Solution

The fourth proportional to 28,163.66, 42,246.28 and 10,629.58 is: 15,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163.66 : 42,246.28 = 10,629.58 : x
  2. Step 2: Convert to fraction form
    28,163.66/42,246.28 = 10,629.58/x
  3. Step 3: Cross multiply
    28,163.66x = 42,246.28 × 10,629.58
  4. Step 4: Simplify right side
    28,163.66x = 449,060,212.96
  5. Step 5: Solve for x
    x = 449,060,212.96/28,163.66
  6. Step 6: Final answer
    x = 15,944.67

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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.