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Finding the Fourth Proportional to 35,599.60, 53,353.96 and 16,879.60

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Solution

The fourth proportional to 35,599.60, 53,353.96 and 16,879.60 is: 25,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,599.60 : 53,353.96 = 16,879.60 : x
  2. Step 2: Convert to fraction form
    35,599.60/53,353.96 = 16,879.60/x
  3. Step 3: Cross multiply
    35,599.60x = 53,353.96 × 16,879.60
  4. Step 4: Simplify right side
    35,599.60x = 900,593,503.22
  5. Step 5: Solve for x
    x = 900,593,503.22/35,599.60
  6. Step 6: Final answer
    x = 25,297.85

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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.