Home / 26,679.48-40,019.26-7,959.04

Finding the Fourth Proportional to 26,679.48, 40,019.26 and 7,959.04

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Solution

The fourth proportional to 26,679.48, 40,019.26 and 7,959.04 is: 11,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.48 : 40,019.26 = 7,959.04 : x
  2. Step 2: Convert to fraction form
    26,679.48/40,019.26 = 7,959.04/x
  3. Step 3: Cross multiply
    26,679.48x = 40,019.26 × 7,959.04
  4. Step 4: Simplify right side
    26,679.48x = 318,514,891.11
  5. Step 5: Solve for x
    x = 318,514,891.11/26,679.48
  6. Step 6: Final answer
    x = 11,938.57

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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.