Home / 26,119.83-39,179.70-9,479.80

Finding the Fourth Proportional to 26,119.83, 39,179.70 and 9,479.80

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Solution

The fourth proportional to 26,119.83, 39,179.70 and 9,479.80 is: 14,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,119.83 : 39,179.70 = 9,479.80 : x
  2. Step 2: Convert to fraction form
    26,119.83/39,179.70 = 9,479.80/x
  3. Step 3: Cross multiply
    26,119.83x = 39,179.70 × 9,479.80
  4. Step 4: Simplify right side
    26,119.83x = 371,415,769.03
  5. Step 5: Solve for x
    x = 371,415,769.03/26,119.83
  6. Step 6: Final answer
    x = 14,219.68

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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.