Home / 27,289.28-40,935.36-8,822.72

Finding the Fourth Proportional to 27,289.28, 40,935.36 and 8,822.72

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Solution

The fourth proportional to 27,289.28, 40,935.36 and 8,822.72 is: 13,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.28 : 40,935.36 = 8,822.72 : x
  2. Step 2: Convert to fraction form
    27,289.28/40,935.36 = 8,822.72/x
  3. Step 3: Cross multiply
    27,289.28x = 40,935.36 × 8,822.72
  4. Step 4: Simplify right side
    27,289.28x = 361,161,219.38
  5. Step 5: Solve for x
    x = 361,161,219.38/27,289.28
  6. Step 6: Final answer
    x = 13,234.55

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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.