Home / 35,145.20-52,690.80-17,627.60

Finding the Fourth Proportional to 35,145.20, 52,690.80 and 17,627.60

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Solution

The fourth proportional to 35,145.20, 52,690.80 and 17,627.60 is: 26,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,145.20 : 52,690.80 = 17,627.60 : x
  2. Step 2: Convert to fraction form
    35,145.20/52,690.80 = 17,627.60/x
  3. Step 3: Cross multiply
    35,145.20x = 52,690.80 × 17,627.60
  4. Step 4: Simplify right side
    35,145.20x = 928,812,346.08
  5. Step 5: Solve for x
    x = 928,812,346.08/35,145.20
  6. Step 6: Final answer
    x = 26,427.86

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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.