Home / 25,878.20-38,825.50-9,237.87

Finding the Fourth Proportional to 25,878.20, 38,825.50 and 9,237.87

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Solution

The fourth proportional to 25,878.20, 38,825.50 and 9,237.87 is: 13,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,878.20 : 38,825.50 = 9,237.87 : x
  2. Step 2: Convert to fraction form
    25,878.20/38,825.50 = 9,237.87/x
  3. Step 3: Cross multiply
    25,878.20x = 38,825.50 × 9,237.87
  4. Step 4: Simplify right side
    25,878.20x = 358,665,096.15
  5. Step 5: Solve for x
    x = 358,665,096.15/25,878.20
  6. Step 6: Final answer
    x = 13,859.74

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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.