Home / 25,973.76-38,949.12-16,112.64

Finding the Fourth Proportional to 25,973.76, 38,949.12 and 16,112.64

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Solution

The fourth proportional to 25,973.76, 38,949.12 and 16,112.64 is: 24,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,973.76 : 38,949.12 = 16,112.64 : x
  2. Step 2: Convert to fraction form
    25,973.76/38,949.12 = 16,112.64/x
  3. Step 3: Cross multiply
    25,973.76x = 38,949.12 × 16,112.64
  4. Step 4: Simplify right side
    25,973.76x = 627,573,148.88
  5. Step 5: Solve for x
    x = 627,573,148.88/25,973.76
  6. Step 6: Final answer
    x = 24,161.81

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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.