Home / 25,401.96-38,104.76-8,761.75

Finding the Fourth Proportional to 25,401.96, 38,104.76 and 8,761.75

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Solution

The fourth proportional to 25,401.96, 38,104.76 and 8,761.75 is: 13,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401.96 : 38,104.76 = 8,761.75 : x
  2. Step 2: Convert to fraction form
    25,401.96/38,104.76 = 8,761.75/x
  3. Step 3: Cross multiply
    25,401.96x = 38,104.76 × 8,761.75
  4. Step 4: Simplify right side
    25,401.96x = 333,864,307.57
  5. Step 5: Solve for x
    x = 333,864,307.57/25,401.96
  6. Step 6: Final answer
    x = 13,143.25

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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.