Home / 25,538.72-38,308.09-7,769.34

Finding the Fourth Proportional to 25,538.72, 38,308.09 and 7,769.34

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Solution

The fourth proportional to 25,538.72, 38,308.09 and 7,769.34 is: 11,654.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,538.72 : 38,308.09 = 7,769.34 : x
  2. Step 2: Convert to fraction form
    25,538.72/38,308.09 = 7,769.34/x
  3. Step 3: Cross multiply
    25,538.72x = 38,308.09 × 7,769.34
  4. Step 4: Simplify right side
    25,538.72x = 297,628,678.85
  5. Step 5: Solve for x
    x = 297,628,678.85/25,538.72
  6. Step 6: Final answer
    x = 11,654.02

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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.