Home / 25,990.05-38,985-6,268.61

Finding the Fourth Proportional to 25,990.05, 38,985 and 6,268.61

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Solution

The fourth proportional to 25,990.05, 38,985 and 6,268.61 is: 9,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,990.05 : 38,985 = 6,268.61 : x
  2. Step 2: Convert to fraction form
    25,990.05/38,985 = 6,268.61/x
  3. Step 3: Cross multiply
    25,990.05x = 38,985 × 6,268.61
  4. Step 4: Simplify right side
    25,990.05x = 244,381,760.85
  5. Step 5: Solve for x
    x = 244,381,760.85/25,990.05
  6. Step 6: Final answer
    x = 9,402.90

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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.