Home / 26,928.10-40,435.35-18,201.70

Finding the Fourth Proportional to 26,928.10, 40,435.35 and 18,201.70

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Solution

The fourth proportional to 26,928.10, 40,435.35 and 18,201.70 is: 27,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.10 : 40,435.35 = 18,201.70 : x
  2. Step 2: Convert to fraction form
    26,928.10/40,435.35 = 18,201.70/x
  3. Step 3: Cross multiply
    26,928.10x = 40,435.35 × 18,201.70
  4. Step 4: Simplify right side
    26,928.10x = 735,992,110.10
  5. Step 5: Solve for x
    x = 735,992,110.10/26,928.10
  6. Step 6: Final answer
    x = 27,331.75

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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.