Home / 52,408.90-72,321.36-28,534.15

Finding the Fourth Proportional to 52,408.90, 72,321.36 and 28,534.15

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Solution

The fourth proportional to 52,408.90, 72,321.36 and 28,534.15 is: 39,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,408.90 : 72,321.36 = 28,534.15 : x
  2. Step 2: Convert to fraction form
    52,408.90/72,321.36 = 28,534.15/x
  3. Step 3: Cross multiply
    52,408.90x = 72,321.36 × 28,534.15
  4. Step 4: Simplify right side
    52,408.90x = 2,063,628,534.44
  5. Step 5: Solve for x
    x = 2,063,628,534.44/52,408.90
  6. Step 6: Final answer
    x = 39,375.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.