Home / 26,946.10-40,419.15-20,385.10

Finding the Fourth Proportional to 26,946.10, 40,419.15 and 20,385.10

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Solution

The fourth proportional to 26,946.10, 40,419.15 and 20,385.10 is: 30,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,946.10 : 40,419.15 = 20,385.10 : x
  2. Step 2: Convert to fraction form
    26,946.10/40,419.15 = 20,385.10/x
  3. Step 3: Cross multiply
    26,946.10x = 40,419.15 × 20,385.10
  4. Step 4: Simplify right side
    26,946.10x = 823,948,414.67
  5. Step 5: Solve for x
    x = 823,948,414.67/26,946.10
  6. Step 6: Final answer
    x = 30,577.65

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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.