Home / 25,604.10-38,401.29-8,960.22

Finding the Fourth Proportional to 25,604.10, 38,401.29 and 8,960.22

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Solution

The fourth proportional to 25,604.10, 38,401.29 and 8,960.22 is: 13,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,604.10 : 38,401.29 = 8,960.22 : x
  2. Step 2: Convert to fraction form
    25,604.10/38,401.29 = 8,960.22/x
  3. Step 3: Cross multiply
    25,604.10x = 38,401.29 × 8,960.22
  4. Step 4: Simplify right side
    25,604.10x = 344,084,006.68
  5. Step 5: Solve for x
    x = 344,084,006.68/25,604.10
  6. Step 6: Final answer
    x = 13,438.63

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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.