Home / 28,578.76-42,825.08-25,464.34

Finding the Fourth Proportional to 28,578.76, 42,825.08 and 25,464.34

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Solution

The fourth proportional to 28,578.76, 42,825.08 and 25,464.34 is: 38,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,578.76 : 42,825.08 = 25,464.34 : x
  2. Step 2: Convert to fraction form
    28,578.76/42,825.08 = 25,464.34/x
  3. Step 3: Cross multiply
    28,578.76x = 42,825.08 × 25,464.34
  4. Step 4: Simplify right side
    28,578.76x = 1,090,512,183.52
  5. Step 5: Solve for x
    x = 1,090,512,183.52/28,578.76
  6. Step 6: Final answer
    x = 38,158.14

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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.