Home / 23,408.80-35,175.60-12,887.20

Finding the Fourth Proportional to 23,408.80, 35,175.60 and 12,887.20

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Solution

The fourth proportional to 23,408.80, 35,175.60 and 12,887.20 is: 19,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,408.80 : 35,175.60 = 12,887.20 : x
  2. Step 2: Convert to fraction form
    23,408.80/35,175.60 = 12,887.20/x
  3. Step 3: Cross multiply
    23,408.80x = 35,175.60 × 12,887.20
  4. Step 4: Simplify right side
    23,408.80x = 453,314,992.32
  5. Step 5: Solve for x
    x = 453,314,992.32/23,408.80
  6. Step 6: Final answer
    x = 19,365.15

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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.