Home / 26,712.96-40,077.12-7,994.40

Finding the Fourth Proportional to 26,712.96, 40,077.12 and 7,994.40

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Solution

The fourth proportional to 26,712.96, 40,077.12 and 7,994.40 is: 11,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.96 : 40,077.12 = 7,994.40 : x
  2. Step 2: Convert to fraction form
    26,712.96/40,077.12 = 7,994.40/x
  3. Step 3: Cross multiply
    26,712.96x = 40,077.12 × 7,994.40
  4. Step 4: Simplify right side
    26,712.96x = 320,392,528.13
  5. Step 5: Solve for x
    x = 320,392,528.13/26,712.96
  6. Step 6: Final answer
    x = 11,993.90

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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.