Home / 27,020.08-40,520.40-11,438.80

Finding the Fourth Proportional to 27,020.08, 40,520.40 and 11,438.80

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Solution

The fourth proportional to 27,020.08, 40,520.40 and 11,438.80 is: 17,154.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.08 : 40,520.40 = 11,438.80 : x
  2. Step 2: Convert to fraction form
    27,020.08/40,520.40 = 11,438.80/x
  3. Step 3: Cross multiply
    27,020.08x = 40,520.40 × 11,438.80
  4. Step 4: Simplify right side
    27,020.08x = 463,504,751.52
  5. Step 5: Solve for x
    x = 463,504,751.52/27,020.08
  6. Step 6: Final answer
    x = 17,154.09

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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.