Home / 26,999.28-40,499.88-7,278.32

Finding the Fourth Proportional to 26,999.28, 40,499.88 and 7,278.32

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Solution

The fourth proportional to 26,999.28, 40,499.88 and 7,278.32 is: 10,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.28 : 40,499.88 = 7,278.32 : x
  2. Step 2: Convert to fraction form
    26,999.28/40,499.88 = 7,278.32/x
  3. Step 3: Cross multiply
    26,999.28x = 40,499.88 × 7,278.32
  4. Step 4: Simplify right side
    26,999.28x = 294,771,086.60
  5. Step 5: Solve for x
    x = 294,771,086.60/26,999.28
  6. Step 6: Final answer
    x = 10,917.74

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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.