Home / 25,456.76-38,190.62-7,685.93

Finding the Fourth Proportional to 25,456.76, 38,190.62 and 7,685.93

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Solution

The fourth proportional to 25,456.76, 38,190.62 and 7,685.93 is: 11,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.76 : 38,190.62 = 7,685.93 : x
  2. Step 2: Convert to fraction form
    25,456.76/38,190.62 = 7,685.93/x
  3. Step 3: Cross multiply
    25,456.76x = 38,190.62 × 7,685.93
  4. Step 4: Simplify right side
    25,456.76x = 293,530,546.67
  5. Step 5: Solve for x
    x = 293,530,546.67/25,456.76
  6. Step 6: Final answer
    x = 11,530.55

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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.