Home / 17,919.56-26,878.84-4,772.04

Finding the Fourth Proportional to 17,919.56, 26,878.84 and 4,772.04

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Solution

The fourth proportional to 17,919.56, 26,878.84 and 4,772.04 is: 7,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.56 : 26,878.84 = 4,772.04 : x
  2. Step 2: Convert to fraction form
    17,919.56/26,878.84 = 4,772.04/x
  3. Step 3: Cross multiply
    17,919.56x = 26,878.84 × 4,772.04
  4. Step 4: Simplify right side
    17,919.56x = 128,266,899.63
  5. Step 5: Solve for x
    x = 128,266,899.63/17,919.56
  6. Step 6: Final answer
    x = 7,157.93

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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.