Home / 28,338.30-39,091.32-17,579.45

Finding the Fourth Proportional to 28,338.30, 39,091.32 and 17,579.45

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Solution

The fourth proportional to 28,338.30, 39,091.32 and 17,579.45 is: 24,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.30 : 39,091.32 = 17,579.45 : x
  2. Step 2: Convert to fraction form
    28,338.30/39,091.32 = 17,579.45/x
  3. Step 3: Cross multiply
    28,338.30x = 39,091.32 × 17,579.45
  4. Step 4: Simplify right side
    28,338.30x = 687,204,003.10
  5. Step 5: Solve for x
    x = 687,204,003.10/28,338.30
  6. Step 6: Final answer
    x = 24,250.01

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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.