Home / 25,458.18-38,179.92-8,817.54

Finding the Fourth Proportional to 25,458.18, 38,179.92 and 8,817.54

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Solution

The fourth proportional to 25,458.18, 38,179.92 and 8,817.54 is: 13,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.18 : 38,179.92 = 8,817.54 : x
  2. Step 2: Convert to fraction form
    25,458.18/38,179.92 = 8,817.54/x
  3. Step 3: Cross multiply
    25,458.18x = 38,179.92 × 8,817.54
  4. Step 4: Simplify right side
    25,458.18x = 336,652,971.80
  5. Step 5: Solve for x
    x = 336,652,971.80/25,458.18
  6. Step 6: Final answer
    x = 13,223.76

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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.