Home / 25,724.12-38,587.50-7,257.56

Finding the Fourth Proportional to 25,724.12, 38,587.50 and 7,257.56

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Solution

The fourth proportional to 25,724.12, 38,587.50 and 7,257.56 is: 10,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,724.12 : 38,587.50 = 7,257.56 : x
  2. Step 2: Convert to fraction form
    25,724.12/38,587.50 = 7,257.56/x
  3. Step 3: Cross multiply
    25,724.12x = 38,587.50 × 7,257.56
  4. Step 4: Simplify right side
    25,724.12x = 280,051,096.50
  5. Step 5: Solve for x
    x = 280,051,096.50/25,724.12
  6. Step 6: Final answer
    x = 10,886.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.