Home / 28,868.34-43,299.70-19,568.12

Finding the Fourth Proportional to 28,868.34, 43,299.70 and 19,568.12

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Solution

The fourth proportional to 28,868.34, 43,299.70 and 19,568.12 is: 29,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.34 : 43,299.70 = 19,568.12 : x
  2. Step 2: Convert to fraction form
    28,868.34/43,299.70 = 19,568.12/x
  3. Step 3: Cross multiply
    28,868.34x = 43,299.70 × 19,568.12
  4. Step 4: Simplify right side
    28,868.34x = 847,293,725.56
  5. Step 5: Solve for x
    x = 847,293,725.56/28,868.34
  6. Step 6: Final answer
    x = 29,350.28

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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.