Home / 28,691.67-39,593.99-15,944.62

Finding the Fourth Proportional to 28,691.67, 39,593.99 and 15,944.62

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Solution

The fourth proportional to 28,691.67, 39,593.99 and 15,944.62 is: 22,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691.67 : 39,593.99 = 15,944.62 : x
  2. Step 2: Convert to fraction form
    28,691.67/39,593.99 = 15,944.62/x
  3. Step 3: Cross multiply
    28,691.67x = 39,593.99 × 15,944.62
  4. Step 4: Simplify right side
    28,691.67x = 631,311,206.46
  5. Step 5: Solve for x
    x = 631,311,206.46/28,691.67
  6. Step 6: Final answer
    x = 22,003.29

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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.