Home / 25,770.55-38,661.89-8,000.30

Finding the Fourth Proportional to 25,770.55, 38,661.89 and 8,000.30

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Solution

The fourth proportional to 25,770.55, 38,661.89 and 8,000.30 is: 12,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,770.55 : 38,661.89 = 8,000.30 : x
  2. Step 2: Convert to fraction form
    25,770.55/38,661.89 = 8,000.30/x
  3. Step 3: Cross multiply
    25,770.55x = 38,661.89 × 8,000.30
  4. Step 4: Simplify right side
    25,770.55x = 309,306,775.22
  5. Step 5: Solve for x
    x = 309,306,775.22/25,770.55
  6. Step 6: Final answer
    x = 12,002.34

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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.