Home / 28,097.82-38,775.56-16,161.93

Finding the Fourth Proportional to 28,097.82, 38,775.56 and 16,161.93

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Solution

The fourth proportional to 28,097.82, 38,775.56 and 16,161.93 is: 22,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.82 : 38,775.56 = 16,161.93 : x
  2. Step 2: Convert to fraction form
    28,097.82/38,775.56 = 16,161.93/x
  3. Step 3: Cross multiply
    28,097.82x = 38,775.56 × 16,161.93
  4. Step 4: Simplify right side
    28,097.82x = 626,687,805.62
  5. Step 5: Solve for x
    x = 626,687,805.62/28,097.82
  6. Step 6: Final answer
    x = 22,303.79

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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.