Home / 26,119.50-39,179.17-9,479.51

Finding the Fourth Proportional to 26,119.50, 39,179.17 and 9,479.51

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Solution

The fourth proportional to 26,119.50, 39,179.17 and 9,479.51 is: 14,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,119.50 : 39,179.17 = 9,479.51 : x
  2. Step 2: Convert to fraction form
    26,119.50/39,179.17 = 9,479.51/x
  3. Step 3: Cross multiply
    26,119.50x = 39,179.17 × 9,479.51
  4. Step 4: Simplify right side
    26,119.50x = 371,399,286.41
  5. Step 5: Solve for x
    x = 371,399,286.41/26,119.50
  6. Step 6: Final answer
    x = 14,219.23

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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.