Home / 28,876.82-39,850.01-16,301.57

Finding the Fourth Proportional to 28,876.82, 39,850.01 and 16,301.57

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Solution

The fourth proportional to 28,876.82, 39,850.01 and 16,301.57 is: 22,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.82 : 39,850.01 = 16,301.57 : x
  2. Step 2: Convert to fraction form
    28,876.82/39,850.01 = 16,301.57/x
  3. Step 3: Cross multiply
    28,876.82x = 39,850.01 × 16,301.57
  4. Step 4: Simplify right side
    28,876.82x = 649,617,646.01
  5. Step 5: Solve for x
    x = 649,617,646.01/28,876.82
  6. Step 6: Final answer
    x = 22,496.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.