Home / 26,969.40-40,455.30-9,199.80

Finding the Fourth Proportional to 26,969.40, 40,455.30 and 9,199.80

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Solution

The fourth proportional to 26,969.40, 40,455.30 and 9,199.80 is: 13,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969.40 : 40,455.30 = 9,199.80 : x
  2. Step 2: Convert to fraction form
    26,969.40/40,455.30 = 9,199.80/x
  3. Step 3: Cross multiply
    26,969.40x = 40,455.30 × 9,199.80
  4. Step 4: Simplify right side
    26,969.40x = 372,180,668.94
  5. Step 5: Solve for x
    x = 372,180,668.94/26,969.40
  6. Step 6: Final answer
    x = 13,800.11

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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.