Home / 25,920.98-38,954.60-15,392.82

Finding the Fourth Proportional to 25,920.98, 38,954.60 and 15,392.82

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Solution

The fourth proportional to 25,920.98, 38,954.60 and 15,392.82 is: 23,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920.98 : 38,954.60 = 15,392.82 : x
  2. Step 2: Convert to fraction form
    25,920.98/38,954.60 = 15,392.82/x
  3. Step 3: Cross multiply
    25,920.98x = 38,954.60 × 15,392.82
  4. Step 4: Simplify right side
    25,920.98x = 599,621,145.97
  5. Step 5: Solve for x
    x = 599,621,145.97/25,920.98
  6. Step 6: Final answer
    x = 23,132.66

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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.