Home / 27,133.58-40,690.20-9,359.30

Finding the Fourth Proportional to 27,133.58, 40,690.20 and 9,359.30

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Solution

The fourth proportional to 27,133.58, 40,690.20 and 9,359.30 is: 14,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.58 : 40,690.20 = 9,359.30 : x
  2. Step 2: Convert to fraction form
    27,133.58/40,690.20 = 9,359.30/x
  3. Step 3: Cross multiply
    27,133.58x = 40,690.20 × 9,359.30
  4. Step 4: Simplify right side
    27,133.58x = 380,831,788.86
  5. Step 5: Solve for x
    x = 380,831,788.86/27,133.58
  6. Step 6: Final answer
    x = 14,035.44

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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.