Home / 25,990.76-38,985.80-6,269.18

Finding the Fourth Proportional to 25,990.76, 38,985.80 and 6,269.18

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Solution

The fourth proportional to 25,990.76, 38,985.80 and 6,269.18 is: 9,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,990.76 : 38,985.80 = 6,269.18 : x
  2. Step 2: Convert to fraction form
    25,990.76/38,985.80 = 6,269.18/x
  3. Step 3: Cross multiply
    25,990.76x = 38,985.80 × 6,269.18
  4. Step 4: Simplify right side
    25,990.76x = 244,408,997.64
  5. Step 5: Solve for x
    x = 244,408,997.64/25,990.76
  6. Step 6: Final answer
    x = 9,403.69

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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.