Home / 26,941.66-40,417.28-9,171.43

Finding the Fourth Proportional to 26,941.66, 40,417.28 and 9,171.43

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Solution

The fourth proportional to 26,941.66, 40,417.28 and 9,171.43 is: 13,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,941.66 : 40,417.28 = 9,171.43 : x
  2. Step 2: Convert to fraction form
    26,941.66/40,417.28 = 9,171.43/x
  3. Step 3: Cross multiply
    26,941.66x = 40,417.28 × 9,171.43
  4. Step 4: Simplify right side
    26,941.66x = 370,684,141.80
  5. Step 5: Solve for x
    x = 370,684,141.80/26,941.66
  6. Step 6: Final answer
    x = 13,758.77

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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.