Home / 28,327.13-42,452.43-10,787.39

Finding the Fourth Proportional to 28,327.13, 42,452.43 and 10,787.39

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Solution

The fourth proportional to 28,327.13, 42,452.43 and 10,787.39 is: 16,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.13 : 42,452.43 = 10,787.39 : x
  2. Step 2: Convert to fraction form
    28,327.13/42,452.43 = 10,787.39/x
  3. Step 3: Cross multiply
    28,327.13x = 42,452.43 × 10,787.39
  4. Step 4: Simplify right side
    28,327.13x = 457,950,918.86
  5. Step 5: Solve for x
    x = 457,950,918.86/28,327.13
  6. Step 6: Final answer
    x = 16,166.51

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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.