Home / 25,971.27-38,958.80-9,331.44

Finding the Fourth Proportional to 25,971.27, 38,958.80 and 9,331.44

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Solution

The fourth proportional to 25,971.27, 38,958.80 and 9,331.44 is: 13,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,971.27 : 38,958.80 = 9,331.44 : x
  2. Step 2: Convert to fraction form
    25,971.27/38,958.80 = 9,331.44/x
  3. Step 3: Cross multiply
    25,971.27x = 38,958.80 × 9,331.44
  4. Step 4: Simplify right side
    25,971.27x = 363,541,658.01
  5. Step 5: Solve for x
    x = 363,541,658.01/25,971.27
  6. Step 6: Final answer
    x = 13,997.84

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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.