Home / 28,852.45-43,299.18-11,322.28

Finding the Fourth Proportional to 28,852.45, 43,299.18 and 11,322.28

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Solution

The fourth proportional to 28,852.45, 43,299.18 and 11,322.28 is: 16,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.45 : 43,299.18 = 11,322.28 : x
  2. Step 2: Convert to fraction form
    28,852.45/43,299.18 = 11,322.28/x
  3. Step 3: Cross multiply
    28,852.45x = 43,299.18 × 11,322.28
  4. Step 4: Simplify right side
    28,852.45x = 490,245,525.70
  5. Step 5: Solve for x
    x = 490,245,525.70/28,852.45
  6. Step 6: Final answer
    x = 16,991.47

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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.