Home / 28,638.32-39,531.38-17,308.24

Finding the Fourth Proportional to 28,638.32, 39,531.38 and 17,308.24

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Solution

The fourth proportional to 28,638.32, 39,531.38 and 17,308.24 is: 23,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,638.32 : 39,531.38 = 17,308.24 : x
  2. Step 2: Convert to fraction form
    28,638.32/39,531.38 = 17,308.24/x
  3. Step 3: Cross multiply
    28,638.32x = 39,531.38 × 17,308.24
  4. Step 4: Simplify right side
    28,638.32x = 684,218,526.03
  5. Step 5: Solve for x
    x = 684,218,526.03/28,638.32
  6. Step 6: Final answer
    x = 23,891.71

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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.