Home / 26,769.20-40,079.88-20,175.39

Finding the Fourth Proportional to 26,769.20, 40,079.88 and 20,175.39

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Solution

The fourth proportional to 26,769.20, 40,079.88 and 20,175.39 is: 30,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,769.20 : 40,079.88 = 20,175.39 : x
  2. Step 2: Convert to fraction form
    26,769.20/40,079.88 = 20,175.39/x
  3. Step 3: Cross multiply
    26,769.20x = 40,079.88 × 20,175.39
  4. Step 4: Simplify right side
    26,769.20x = 808,627,210.15
  5. Step 5: Solve for x
    x = 808,627,210.15/26,769.20
  6. Step 6: Final answer
    x = 30,207.38

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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.