Home / 26,615.66-39,920.38-6,892.70

Finding the Fourth Proportional to 26,615.66, 39,920.38 and 6,892.70

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Solution

The fourth proportional to 26,615.66, 39,920.38 and 6,892.70 is: 10,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.66 : 39,920.38 = 6,892.70 : x
  2. Step 2: Convert to fraction form
    26,615.66/39,920.38 = 6,892.70/x
  3. Step 3: Cross multiply
    26,615.66x = 39,920.38 × 6,892.70
  4. Step 4: Simplify right side
    26,615.66x = 275,158,986.39
  5. Step 5: Solve for x
    x = 275,158,986.39/26,615.66
  6. Step 6: Final answer
    x = 10,338.24

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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.