Home / 25,581.88-38,378.06-10,790.84

Finding the Fourth Proportional to 25,581.88, 38,378.06 and 10,790.84

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Solution

The fourth proportional to 25,581.88, 38,378.06 and 10,790.84 is: 16,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,581.88 : 38,378.06 = 10,790.84 : x
  2. Step 2: Convert to fraction form
    25,581.88/38,378.06 = 10,790.84/x
  3. Step 3: Cross multiply
    25,581.88x = 38,378.06 × 10,790.84
  4. Step 4: Simplify right side
    25,581.88x = 414,131,504.97
  5. Step 5: Solve for x
    x = 414,131,504.97/25,581.88
  6. Step 6: Final answer
    x = 16,188.47

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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.