Home / 26,331.20-39,496.80-7,611.20

Finding the Fourth Proportional to 26,331.20, 39,496.80 and 7,611.20

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Solution

The fourth proportional to 26,331.20, 39,496.80 and 7,611.20 is: 11,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,331.20 : 39,496.80 = 7,611.20 : x
  2. Step 2: Convert to fraction form
    26,331.20/39,496.80 = 7,611.20/x
  3. Step 3: Cross multiply
    26,331.20x = 39,496.80 × 7,611.20
  4. Step 4: Simplify right side
    26,331.20x = 300,618,044.16
  5. Step 5: Solve for x
    x = 300,618,044.16/26,331.20
  6. Step 6: Final answer
    x = 11,416.80

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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.