Home / 28,112.25-42,174.44-10,582.02

Finding the Fourth Proportional to 28,112.25, 42,174.44 and 10,582.02

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Solution

The fourth proportional to 28,112.25, 42,174.44 and 10,582.02 is: 15,875.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,112.25 : 42,174.44 = 10,582.02 : x
  2. Step 2: Convert to fraction form
    28,112.25/42,174.44 = 10,582.02/x
  3. Step 3: Cross multiply
    28,112.25x = 42,174.44 × 10,582.02
  4. Step 4: Simplify right side
    28,112.25x = 446,290,767.57
  5. Step 5: Solve for x
    x = 446,290,767.57/28,112.25
  6. Step 6: Final answer
    x = 15,875.31

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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.