Home / 26,919.61-40,376.58-7,200.16

Finding the Fourth Proportional to 26,919.61, 40,376.58 and 7,200.16

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Solution

The fourth proportional to 26,919.61, 40,376.58 and 7,200.16 is: 10,799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919.61 : 40,376.58 = 7,200.16 : x
  2. Step 2: Convert to fraction form
    26,919.61/40,376.58 = 7,200.16/x
  3. Step 3: Cross multiply
    26,919.61x = 40,376.58 × 7,200.16
  4. Step 4: Simplify right side
    26,919.61x = 290,717,836.25
  5. Step 5: Solve for x
    x = 290,717,836.25/26,919.61
  6. Step 6: Final answer
    x = 10,799.48

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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.