Home / 26,963.28-40,435.20-18,642.96

Finding the Fourth Proportional to 26,963.28, 40,435.20 and 18,642.96

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Solution

The fourth proportional to 26,963.28, 40,435.20 and 18,642.96 is: 27,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,963.28 : 40,435.20 = 18,642.96 : x
  2. Step 2: Convert to fraction form
    26,963.28/40,435.20 = 18,642.96/x
  3. Step 3: Cross multiply
    26,963.28x = 40,435.20 × 18,642.96
  4. Step 4: Simplify right side
    26,963.28x = 753,831,816.19
  5. Step 5: Solve for x
    x = 753,831,816.19/26,963.28
  6. Step 6: Final answer
    x = 27,957.72

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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.