Home / 26,679.83-40,021.77-7,958.40

Finding the Fourth Proportional to 26,679.83, 40,021.77 and 7,958.40

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Solution

The fourth proportional to 26,679.83, 40,021.77 and 7,958.40 is: 11,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.83 : 40,021.77 = 7,958.40 : x
  2. Step 2: Convert to fraction form
    26,679.83/40,021.77 = 7,958.40/x
  3. Step 3: Cross multiply
    26,679.83x = 40,021.77 × 7,958.40
  4. Step 4: Simplify right side
    26,679.83x = 318,509,254.37
  5. Step 5: Solve for x
    x = 318,509,254.37/26,679.83
  6. Step 6: Final answer
    x = 11,938.20

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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.