Home / 26,903.60-40,336.20-12,100.40

Finding the Fourth Proportional to 26,903.60, 40,336.20 and 12,100.40

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Solution

The fourth proportional to 26,903.60, 40,336.20 and 12,100.40 is: 18,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,903.60 : 40,336.20 = 12,100.40 : x
  2. Step 2: Convert to fraction form
    26,903.60/40,336.20 = 12,100.40/x
  3. Step 3: Cross multiply
    26,903.60x = 40,336.20 × 12,100.40
  4. Step 4: Simplify right side
    26,903.60x = 488,084,154.48
  5. Step 5: Solve for x
    x = 488,084,154.48/26,903.60
  6. Step 6: Final answer
    x = 18,141.96

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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.