Home / 27,264.49-40,896.80-8,289.30

Finding the Fourth Proportional to 27,264.49, 40,896.80 and 8,289.30

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Solution

The fourth proportional to 27,264.49, 40,896.80 and 8,289.30 is: 12,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,264.49 : 40,896.80 = 8,289.30 : x
  2. Step 2: Convert to fraction form
    27,264.49/40,896.80 = 8,289.30/x
  3. Step 3: Cross multiply
    27,264.49x = 40,896.80 × 8,289.30
  4. Step 4: Simplify right side
    27,264.49x = 339,005,688.80
  5. Step 5: Solve for x
    x = 339,005,688.80/27,264.49
  6. Step 6: Final answer
    x = 12,433.96

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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.