Home / 28,932.50-43,354.10-19,535.69

Finding the Fourth Proportional to 28,932.50, 43,354.10 and 19,535.69

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Solution

The fourth proportional to 28,932.50, 43,354.10 and 19,535.69 is: 29,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.50 : 43,354.10 = 19,535.69 : x
  2. Step 2: Convert to fraction form
    28,932.50/43,354.10 = 19,535.69/x
  3. Step 3: Cross multiply
    28,932.50x = 43,354.10 × 19,535.69
  4. Step 4: Simplify right side
    28,932.50x = 846,952,415.05
  5. Step 5: Solve for x
    x = 846,952,415.05/28,932.50
  6. Step 6: Final answer
    x = 29,273.39

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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.