Home / 38,857.87-58,278.10-15,166.05

Finding the Fourth Proportional to 38,857.87, 58,278.10 and 15,166.05

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Solution

The fourth proportional to 38,857.87, 58,278.10 and 15,166.05 is: 22,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,857.87 : 58,278.10 = 15,166.05 : x
  2. Step 2: Convert to fraction form
    38,857.87/58,278.10 = 15,166.05/x
  3. Step 3: Cross multiply
    38,857.87x = 58,278.10 × 15,166.05
  4. Step 4: Simplify right side
    38,857.87x = 883,848,578.51
  5. Step 5: Solve for x
    x = 883,848,578.51/38,857.87
  6. Step 6: Final answer
    x = 22,745.68

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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.