Home / 28,448.82-39,259.26-16,514.46

Finding the Fourth Proportional to 28,448.82, 39,259.26 and 16,514.46

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Solution

The fourth proportional to 28,448.82, 39,259.26 and 16,514.46 is: 22,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.82 : 39,259.26 = 16,514.46 : x
  2. Step 2: Convert to fraction form
    28,448.82/39,259.26 = 16,514.46/x
  3. Step 3: Cross multiply
    28,448.82x = 39,259.26 × 16,514.46
  4. Step 4: Simplify right side
    28,448.82x = 648,345,478.90
  5. Step 5: Solve for x
    x = 648,345,478.90/28,448.82
  6. Step 6: Final answer
    x = 22,789.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.