Home / 25,770.57-38,662.11-8,000.79

Finding the Fourth Proportional to 25,770.57, 38,662.11 and 8,000.79

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Solution

The fourth proportional to 25,770.57, 38,662.11 and 8,000.79 is: 12,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,770.57 : 38,662.11 = 8,000.79 : x
  2. Step 2: Convert to fraction form
    25,770.57/38,662.11 = 8,000.79/x
  3. Step 3: Cross multiply
    25,770.57x = 38,662.11 × 8,000.79
  4. Step 4: Simplify right side
    25,770.57x = 309,327,423.07
  5. Step 5: Solve for x
    x = 309,327,423.07/25,770.57
  6. Step 6: Final answer
    x = 12,003.13

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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.