Home / 28,561.23-42,849.23-16,725

Finding the Fourth Proportional to 28,561.23, 42,849.23 and 16,725

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Solution

The fourth proportional to 28,561.23, 42,849.23 and 16,725 is: 25,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,561.23 : 42,849.23 = 16,725 : x
  2. Step 2: Convert to fraction form
    28,561.23/42,849.23 = 16,725/x
  3. Step 3: Cross multiply
    28,561.23x = 42,849.23 × 16,725
  4. Step 4: Simplify right side
    28,561.23x = 716,653,371.75
  5. Step 5: Solve for x
    x = 716,653,371.75/28,561.23
  6. Step 6: Final answer
    x = 25,091.83

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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.