Home / 25,963.98-38,919.52-11,914.35

Finding the Fourth Proportional to 25,963.98, 38,919.52 and 11,914.35

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Solution

The fourth proportional to 25,963.98, 38,919.52 and 11,914.35 is: 17,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,963.98 : 38,919.52 = 11,914.35 : x
  2. Step 2: Convert to fraction form
    25,963.98/38,919.52 = 11,914.35/x
  3. Step 3: Cross multiply
    25,963.98x = 38,919.52 × 11,914.35
  4. Step 4: Simplify right side
    25,963.98x = 463,700,783.11
  5. Step 5: Solve for x
    x = 463,700,783.11/25,963.98
  6. Step 6: Final answer
    x = 17,859.39

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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.