Home / 26,964.28-40,420.30-10,311.49

Finding the Fourth Proportional to 26,964.28, 40,420.30 and 10,311.49

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Solution

The fourth proportional to 26,964.28, 40,420.30 and 10,311.49 is: 15,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,964.28 : 40,420.30 = 10,311.49 : x
  2. Step 2: Convert to fraction form
    26,964.28/40,420.30 = 10,311.49/x
  3. Step 3: Cross multiply
    26,964.28x = 40,420.30 × 10,311.49
  4. Step 4: Simplify right side
    26,964.28x = 416,793,519.25
  5. Step 5: Solve for x
    x = 416,793,519.25/26,964.28
  6. Step 6: Final answer
    x = 15,457.25

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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.