Home / 17,767.20-26,607.60-13,360.80

Finding the Fourth Proportional to 17,767.20, 26,607.60 and 13,360.80

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Solution

The fourth proportional to 17,767.20, 26,607.60 and 13,360.80 is: 20,008.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,767.20 : 26,607.60 = 13,360.80 : x
  2. Step 2: Convert to fraction form
    17,767.20/26,607.60 = 13,360.80/x
  3. Step 3: Cross multiply
    17,767.20x = 26,607.60 × 13,360.80
  4. Step 4: Simplify right side
    17,767.20x = 355,498,822.08
  5. Step 5: Solve for x
    x = 355,498,822.08/17,767.20
  6. Step 6: Final answer
    x = 20,008.71

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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.