Home / 28,793.10-43,213.95-13,022.40

Finding the Fourth Proportional to 28,793.10, 43,213.95 and 13,022.40

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Solution

The fourth proportional to 28,793.10, 43,213.95 and 13,022.40 is: 19,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793.10 : 43,213.95 = 13,022.40 : x
  2. Step 2: Convert to fraction form
    28,793.10/43,213.95 = 13,022.40/x
  3. Step 3: Cross multiply
    28,793.10x = 43,213.95 × 13,022.40
  4. Step 4: Simplify right side
    28,793.10x = 562,749,342.48
  5. Step 5: Solve for x
    x = 562,749,342.48/28,793.10
  6. Step 6: Final answer
    x = 19,544.59

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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.