Home / 25,529.75-38,294.61-7,760.55

Finding the Fourth Proportional to 25,529.75, 38,294.61 and 7,760.55

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Solution

The fourth proportional to 25,529.75, 38,294.61 and 7,760.55 is: 11,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,529.75 : 38,294.61 = 7,760.55 : x
  2. Step 2: Convert to fraction form
    25,529.75/38,294.61 = 7,760.55/x
  3. Step 3: Cross multiply
    25,529.75x = 38,294.61 × 7,760.55
  4. Step 4: Simplify right side
    25,529.75x = 297,187,235.64
  5. Step 5: Solve for x
    x = 297,187,235.64/25,529.75
  6. Step 6: Final answer
    x = 11,640.82

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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.