Home / 26,135.18-39,199.80-7,416.80

Finding the Fourth Proportional to 26,135.18, 39,199.80 and 7,416.80

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Solution

The fourth proportional to 26,135.18, 39,199.80 and 7,416.80 is: 11,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,135.18 : 39,199.80 = 7,416.80 : x
  2. Step 2: Convert to fraction form
    26,135.18/39,199.80 = 7,416.80/x
  3. Step 3: Cross multiply
    26,135.18x = 39,199.80 × 7,416.80
  4. Step 4: Simplify right side
    26,135.18x = 290,737,076.64
  5. Step 5: Solve for x
    x = 290,737,076.64/26,135.18
  6. Step 6: Final answer
    x = 11,124.36

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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.