Home / 28,202.05-42,266.17-11,543.09

Finding the Fourth Proportional to 28,202.05, 42,266.17 and 11,543.09

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Solution

The fourth proportional to 28,202.05, 42,266.17 and 11,543.09 is: 17,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.05 : 42,266.17 = 11,543.09 : x
  2. Step 2: Convert to fraction form
    28,202.05/42,266.17 = 11,543.09/x
  3. Step 3: Cross multiply
    28,202.05x = 42,266.17 × 11,543.09
  4. Step 4: Simplify right side
    28,202.05x = 487,882,107.26
  5. Step 5: Solve for x
    x = 487,882,107.26/28,202.05
  6. Step 6: Final answer
    x = 17,299.53

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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.