Home / 25,719.96-38,511.84-21,034.92

Finding the Fourth Proportional to 25,719.96, 38,511.84 and 21,034.92

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Solution

The fourth proportional to 25,719.96, 38,511.84 and 21,034.92 is: 31,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.96 : 38,511.84 = 21,034.92 : x
  2. Step 2: Convert to fraction form
    25,719.96/38,511.84 = 21,034.92/x
  3. Step 3: Cross multiply
    25,719.96x = 38,511.84 × 21,034.92
  4. Step 4: Simplify right side
    25,719.96x = 810,093,473.45
  5. Step 5: Solve for x
    x = 810,093,473.45/25,719.96
  6. Step 6: Final answer
    x = 31,496.68

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1.5x scale

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.