Home / 28,423.82-42,617.49-11,795.33

Finding the Fourth Proportional to 28,423.82, 42,617.49 and 11,795.33

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Solution

The fourth proportional to 28,423.82, 42,617.49 and 11,795.33 is: 17,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.82 : 42,617.49 = 11,795.33 : x
  2. Step 2: Convert to fraction form
    28,423.82/42,617.49 = 11,795.33/x
  3. Step 3: Cross multiply
    28,423.82x = 42,617.49 × 11,795.33
  4. Step 4: Simplify right side
    28,423.82x = 502,687,145.23
  5. Step 5: Solve for x
    x = 502,687,145.23/28,423.82
  6. Step 6: Final answer
    x = 17,685.42

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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.