Home / 26,921.70-40,366.35-13,799.70

Finding the Fourth Proportional to 26,921.70, 40,366.35 and 13,799.70

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Solution

The fourth proportional to 26,921.70, 40,366.35 and 13,799.70 is: 20,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.70 : 40,366.35 = 13,799.70 : x
  2. Step 2: Convert to fraction form
    26,921.70/40,366.35 = 13,799.70/x
  3. Step 3: Cross multiply
    26,921.70x = 40,366.35 × 13,799.70
  4. Step 4: Simplify right side
    26,921.70x = 557,043,520.10
  5. Step 5: Solve for x
    x = 557,043,520.10/26,921.70
  6. Step 6: Final answer
    x = 20,691.25

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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.