Home / 28,163.26-42,154.17-19,372.06

Finding the Fourth Proportional to 28,163.26, 42,154.17 and 19,372.06

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Solution

The fourth proportional to 28,163.26, 42,154.17 and 19,372.06 is: 28,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163.26 : 42,154.17 = 19,372.06 : x
  2. Step 2: Convert to fraction form
    28,163.26/42,154.17 = 19,372.06/x
  3. Step 3: Cross multiply
    28,163.26x = 42,154.17 × 19,372.06
  4. Step 4: Simplify right side
    28,163.26x = 816,613,110.49
  5. Step 5: Solve for x
    x = 816,613,110.49/28,163.26
  6. Step 6: Final answer
    x = 28,995.69

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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.