Home / 25,366.20-38,054.70-7,837.80

Finding the Fourth Proportional to 25,366.20, 38,054.70 and 7,837.80

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Solution

The fourth proportional to 25,366.20, 38,054.70 and 7,837.80 is: 11,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.20 : 38,054.70 = 7,837.80 : x
  2. Step 2: Convert to fraction form
    25,366.20/38,054.70 = 7,837.80/x
  3. Step 3: Cross multiply
    25,366.20x = 38,054.70 × 7,837.80
  4. Step 4: Simplify right side
    25,366.20x = 298,265,127.66
  5. Step 5: Solve for x
    x = 298,265,127.66/25,366.20
  6. Step 6: Final answer
    x = 11,758.37

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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.