Home / 26,843.60-40,265.40-9,311.60

Finding the Fourth Proportional to 26,843.60, 40,265.40 and 9,311.60

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Solution

The fourth proportional to 26,843.60, 40,265.40 and 9,311.60 is: 13,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,843.60 : 40,265.40 = 9,311.60 : x
  2. Step 2: Convert to fraction form
    26,843.60/40,265.40 = 9,311.60/x
  3. Step 3: Cross multiply
    26,843.60x = 40,265.40 × 9,311.60
  4. Step 4: Simplify right side
    26,843.60x = 374,935,298.64
  5. Step 5: Solve for x
    x = 374,935,298.64/26,843.60
  6. Step 6: Final answer
    x = 13,967.40

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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.