Home / 27,813.60-41,720.40-11,176.20

Finding the Fourth Proportional to 27,813.60, 41,720.40 and 11,176.20

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Solution

The fourth proportional to 27,813.60, 41,720.40 and 11,176.20 is: 16,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.60 : 41,720.40 = 11,176.20 : x
  2. Step 2: Convert to fraction form
    27,813.60/41,720.40 = 11,176.20/x
  3. Step 3: Cross multiply
    27,813.60x = 41,720.40 × 11,176.20
  4. Step 4: Simplify right side
    27,813.60x = 466,275,534.48
  5. Step 5: Solve for x
    x = 466,275,534.48/27,813.60
  6. Step 6: Final answer
    x = 16,764.30

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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.