Home / 28,519.49-39,356.99-15,944.24

Finding the Fourth Proportional to 28,519.49, 39,356.99 and 15,944.24

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Solution

The fourth proportional to 28,519.49, 39,356.99 and 15,944.24 is: 22,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.49 : 39,356.99 = 15,944.24 : x
  2. Step 2: Convert to fraction form
    28,519.49/39,356.99 = 15,944.24/x
  3. Step 3: Cross multiply
    28,519.49x = 39,356.99 × 15,944.24
  4. Step 4: Simplify right side
    28,519.49x = 627,517,294.24
  5. Step 5: Solve for x
    x = 627,517,294.24/28,519.49
  6. Step 6: Final answer
    x = 22,003.10

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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.