Home / 28,960.84-39,954.08-17,621.25

Finding the Fourth Proportional to 28,960.84, 39,954.08 and 17,621.25

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Solution

The fourth proportional to 28,960.84, 39,954.08 and 17,621.25 is: 24,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960.84 : 39,954.08 = 17,621.25 : x
  2. Step 2: Convert to fraction form
    28,960.84/39,954.08 = 17,621.25/x
  3. Step 3: Cross multiply
    28,960.84x = 39,954.08 × 17,621.25
  4. Step 4: Simplify right side
    28,960.84x = 704,040,632.43
  5. Step 5: Solve for x
    x = 704,040,632.43/28,960.84
  6. Step 6: Final answer
    x = 24,310.09

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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.