Home / 25,351.32-38,010.78-12,177.48

Finding the Fourth Proportional to 25,351.32, 38,010.78 and 12,177.48

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Solution

The fourth proportional to 25,351.32, 38,010.78 and 12,177.48 is: 18,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,351.32 : 38,010.78 = 12,177.48 : x
  2. Step 2: Convert to fraction form
    25,351.32/38,010.78 = 12,177.48/x
  3. Step 3: Cross multiply
    25,351.32x = 38,010.78 × 12,177.48
  4. Step 4: Simplify right side
    25,351.32x = 462,875,513.23
  5. Step 5: Solve for x
    x = 462,875,513.23/25,351.32
  6. Step 6: Final answer
    x = 18,258.44

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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.