Home / 26,949.90-40,364.71-20,663.64

Finding the Fourth Proportional to 26,949.90, 40,364.71 and 20,663.64

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Solution

The fourth proportional to 26,949.90, 40,364.71 and 20,663.64 is: 30,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949.90 : 40,364.71 = 20,663.64 : x
  2. Step 2: Convert to fraction form
    26,949.90/40,364.71 = 20,663.64/x
  3. Step 3: Cross multiply
    26,949.90x = 40,364.71 × 20,663.64
  4. Step 4: Simplify right side
    26,949.90x = 834,081,836.14
  5. Step 5: Solve for x
    x = 834,081,836.14/26,949.90
  6. Step 6: Final answer
    x = 30,949.35

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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.