Home / 40,155.20-55,423.44-26,727

Finding the Fourth Proportional to 40,155.20, 55,423.44 and 26,727

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Solution

The fourth proportional to 40,155.20, 55,423.44 and 26,727 is: 36,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.20 : 55,423.44 = 26,727 : x
  2. Step 2: Convert to fraction form
    40,155.20/55,423.44 = 26,727/x
  3. Step 3: Cross multiply
    40,155.20x = 55,423.44 × 26,727
  4. Step 4: Simplify right side
    40,155.20x = 1,481,302,280.88
  5. Step 5: Solve for x
    x = 1,481,302,280.88/40,155.20
  6. Step 6: Final answer
    x = 36,889.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.