Home / 25,400.20-38,102.13-8,759.99

Finding the Fourth Proportional to 25,400.20, 38,102.13 and 8,759.99

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Solution

The fourth proportional to 25,400.20, 38,102.13 and 8,759.99 is: 13,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.20 : 38,102.13 = 8,759.99 : x
  2. Step 2: Convert to fraction form
    25,400.20/38,102.13 = 8,759.99/x
  3. Step 3: Cross multiply
    25,400.20x = 38,102.13 × 8,759.99
  4. Step 4: Simplify right side
    25,400.20x = 333,774,233.98
  5. Step 5: Solve for x
    x = 333,774,233.98/25,400.20
  6. Step 6: Final answer
    x = 13,140.61

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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.