Home / 28,708.68-39,617.82-16,133.43

Finding the Fourth Proportional to 28,708.68, 39,617.82 and 16,133.43

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Solution

The fourth proportional to 28,708.68, 39,617.82 and 16,133.43 is: 22,264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.68 : 39,617.82 = 16,133.43 : x
  2. Step 2: Convert to fraction form
    28,708.68/39,617.82 = 16,133.43/x
  3. Step 3: Cross multiply
    28,708.68x = 39,617.82 × 16,133.43
  4. Step 4: Simplify right side
    28,708.68x = 639,171,325.72
  5. Step 5: Solve for x
    x = 639,171,325.72/28,708.68
  6. Step 6: Final answer
    x = 22,264.04

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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.