Home / 35,153.20-52,702.80-17,635.60

Finding the Fourth Proportional to 35,153.20, 52,702.80 and 17,635.60

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Solution

The fourth proportional to 35,153.20, 52,702.80 and 17,635.60 is: 26,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,153.20 : 52,702.80 = 17,635.60 : x
  2. Step 2: Convert to fraction form
    35,153.20/52,702.80 = 17,635.60/x
  3. Step 3: Cross multiply
    35,153.20x = 52,702.80 × 17,635.60
  4. Step 4: Simplify right side
    35,153.20x = 929,445,499.68
  5. Step 5: Solve for x
    x = 929,445,499.68/35,153.20
  6. Step 6: Final answer
    x = 26,439.85

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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.