Home / 26,919.64-40,376.63-7,200.19

Finding the Fourth Proportional to 26,919.64, 40,376.63 and 7,200.19

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Solution

The fourth proportional to 26,919.64, 40,376.63 and 7,200.19 is: 10,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919.64 : 40,376.63 = 7,200.19 : x
  2. Step 2: Convert to fraction form
    26,919.64/40,376.63 = 7,200.19/x
  3. Step 3: Cross multiply
    26,919.64x = 40,376.63 × 7,200.19
  4. Step 4: Simplify right side
    26,919.64x = 290,719,435.53
  5. Step 5: Solve for x
    x = 290,719,435.53/26,919.64
  6. Step 6: Final answer
    x = 10,799.53

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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.