Home / 28,961.76-39,977.52-17,626.08

Finding the Fourth Proportional to 28,961.76, 39,977.52 and 17,626.08

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Solution

The fourth proportional to 28,961.76, 39,977.52 and 17,626.08 is: 24,330.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.76 : 39,977.52 = 17,626.08 : x
  2. Step 2: Convert to fraction form
    28,961.76/39,977.52 = 17,626.08/x
  3. Step 3: Cross multiply
    28,961.76x = 39,977.52 × 17,626.08
  4. Step 4: Simplify right side
    28,961.76x = 704,646,965.72
  5. Step 5: Solve for x
    x = 704,646,965.72/28,961.76
  6. Step 6: Final answer
    x = 24,330.25

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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.