Home / 38,043.78-57,077.84-15,859.50

Finding the Fourth Proportional to 38,043.78, 57,077.84 and 15,859.50

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Solution

The fourth proportional to 38,043.78, 57,077.84 and 15,859.50 is: 23,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,043.78 : 57,077.84 = 15,859.50 : x
  2. Step 2: Convert to fraction form
    38,043.78/57,077.84 = 15,859.50/x
  3. Step 3: Cross multiply
    38,043.78x = 57,077.84 × 15,859.50
  4. Step 4: Simplify right side
    38,043.78x = 905,226,003.48
  5. Step 5: Solve for x
    x = 905,226,003.48/38,043.78
  6. Step 6: Final answer
    x = 23,794.32

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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.