Home / 26,839.64-40,078.72-21,919.04

Finding the Fourth Proportional to 26,839.64, 40,078.72 and 21,919.04

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Solution

The fourth proportional to 26,839.64, 40,078.72 and 21,919.04 is: 32,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,839.64 : 40,078.72 = 21,919.04 : x
  2. Step 2: Convert to fraction form
    26,839.64/40,078.72 = 21,919.04/x
  3. Step 3: Cross multiply
    26,839.64x = 40,078.72 × 21,919.04
  4. Step 4: Simplify right side
    26,839.64x = 878,487,066.83
  5. Step 5: Solve for x
    x = 878,487,066.83/26,839.64
  6. Step 6: Final answer
    x = 32,730.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.