Home / 27,127.36-40,692.12-8,409.34

Finding the Fourth Proportional to 27,127.36, 40,692.12 and 8,409.34

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Solution

The fourth proportional to 27,127.36, 40,692.12 and 8,409.34 is: 12,614.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.36 : 40,692.12 = 8,409.34 : x
  2. Step 2: Convert to fraction form
    27,127.36/40,692.12 = 8,409.34/x
  3. Step 3: Cross multiply
    27,127.36x = 40,692.12 × 8,409.34
  4. Step 4: Simplify right side
    27,127.36x = 342,193,872.40
  5. Step 5: Solve for x
    x = 342,193,872.40/27,127.36
  6. Step 6: Final answer
    x = 12,614.34

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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.