Home / 27,004.70-40,519.20-9,487.10

Finding the Fourth Proportional to 27,004.70, 40,519.20 and 9,487.10

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Solution

The fourth proportional to 27,004.70, 40,519.20 and 9,487.10 is: 14,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,004.70 : 40,519.20 = 9,487.10 : x
  2. Step 2: Convert to fraction form
    27,004.70/40,519.20 = 9,487.10/x
  3. Step 3: Cross multiply
    27,004.70x = 40,519.20 × 9,487.10
  4. Step 4: Simplify right side
    27,004.70x = 384,409,702.32
  5. Step 5: Solve for x
    x = 384,409,702.32/27,004.70
  6. Step 6: Final answer
    x = 14,234.92

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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.