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Finding the Fourth Proportional to 26,265.60, 36,201.60 and 20,563.20

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Solution

The fourth proportional to 26,265.60, 36,201.60 and 20,563.20 is: 28,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,265.60 : 36,201.60 = 20,563.20 : x
  2. Step 2: Convert to fraction form
    26,265.60/36,201.60 = 20,563.20/x
  3. Step 3: Cross multiply
    26,265.60x = 36,201.60 × 20,563.20
  4. Step 4: Simplify right side
    26,265.60x = 744,420,741.12
  5. Step 5: Solve for x
    x = 744,420,741.12/26,265.60
  6. Step 6: Final answer
    x = 28,342.04

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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.