Home / 25,734.80-38,597.52-7,719.32

Finding the Fourth Proportional to 25,734.80, 38,597.52 and 7,719.32

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Solution

The fourth proportional to 25,734.80, 38,597.52 and 7,719.32 is: 11,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,734.80 : 38,597.52 = 7,719.32 : x
  2. Step 2: Convert to fraction form
    25,734.80/38,597.52 = 7,719.32/x
  3. Step 3: Cross multiply
    25,734.80x = 38,597.52 × 7,719.32
  4. Step 4: Simplify right side
    25,734.80x = 297,946,608.09
  5. Step 5: Solve for x
    x = 297,946,608.09/25,734.80
  6. Step 6: Final answer
    x = 11,577.58

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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.