Home / 25,580.88-38,376.56-10,789.84

Finding the Fourth Proportional to 25,580.88, 38,376.56 and 10,789.84

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Solution

The fourth proportional to 25,580.88, 38,376.56 and 10,789.84 is: 16,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,580.88 : 38,376.56 = 10,789.84 : x
  2. Step 2: Convert to fraction form
    25,580.88/38,376.56 = 10,789.84/x
  3. Step 3: Cross multiply
    25,580.88x = 38,376.56 × 10,789.84
  4. Step 4: Simplify right side
    25,580.88x = 414,076,942.15
  5. Step 5: Solve for x
    x = 414,076,942.15/25,580.88
  6. Step 6: Final answer
    x = 16,186.97

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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.