Home / 25,795.80-38,693.70-19,956.60

Finding the Fourth Proportional to 25,795.80, 38,693.70 and 19,956.60

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Solution

The fourth proportional to 25,795.80, 38,693.70 and 19,956.60 is: 29,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.80 : 38,693.70 = 19,956.60 : x
  2. Step 2: Convert to fraction form
    25,795.80/38,693.70 = 19,956.60/x
  3. Step 3: Cross multiply
    25,795.80x = 38,693.70 × 19,956.60
  4. Step 4: Simplify right side
    25,795.80x = 772,194,693.42
  5. Step 5: Solve for x
    x = 772,194,693.42/25,795.80
  6. Step 6: Final answer
    x = 29,934.90

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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.