Home / 25,784.70-38,611.40-16,992.96

Finding the Fourth Proportional to 25,784.70, 38,611.40 and 16,992.96

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Solution

The fourth proportional to 25,784.70, 38,611.40 and 16,992.96 is: 25,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784.70 : 38,611.40 = 16,992.96 : x
  2. Step 2: Convert to fraction form
    25,784.70/38,611.40 = 16,992.96/x
  3. Step 3: Cross multiply
    25,784.70x = 38,611.40 × 16,992.96
  4. Step 4: Simplify right side
    25,784.70x = 656,121,975.74
  5. Step 5: Solve for x
    x = 656,121,975.74/25,784.70
  6. Step 6: Final answer
    x = 25,446.17

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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.