Home / 25,390.74-38,087.73-7,861.26

Finding the Fourth Proportional to 25,390.74, 38,087.73 and 7,861.26

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Solution

The fourth proportional to 25,390.74, 38,087.73 and 7,861.26 is: 11,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,390.74 : 38,087.73 = 7,861.26 : x
  2. Step 2: Convert to fraction form
    25,390.74/38,087.73 = 7,861.26/x
  3. Step 3: Cross multiply
    25,390.74x = 38,087.73 × 7,861.26
  4. Step 4: Simplify right side
    25,390.74x = 299,417,548.34
  5. Step 5: Solve for x
    x = 299,417,548.34/25,390.74
  6. Step 6: Final answer
    x = 11,792.39

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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.