Home / 26,911.44-40,353.28-12,107.76

Finding the Fourth Proportional to 26,911.44, 40,353.28 and 12,107.76

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Solution

The fourth proportional to 26,911.44, 40,353.28 and 12,107.76 is: 18,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,911.44 : 40,353.28 = 12,107.76 : x
  2. Step 2: Convert to fraction form
    26,911.44/40,353.28 = 12,107.76/x
  3. Step 3: Cross multiply
    26,911.44x = 40,353.28 × 12,107.76
  4. Step 4: Simplify right side
    26,911.44x = 488,587,829.45
  5. Step 5: Solve for x
    x = 488,587,829.45/26,911.44
  6. Step 6: Final answer
    x = 18,155.40

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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.