Home / 28,660.26-39,549.04-16,561.29

Finding the Fourth Proportional to 28,660.26, 39,549.04 and 16,561.29

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Solution

The fourth proportional to 28,660.26, 39,549.04 and 16,561.29 is: 22,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,660.26 : 39,549.04 = 16,561.29 : x
  2. Step 2: Convert to fraction form
    28,660.26/39,549.04 = 16,561.29/x
  3. Step 3: Cross multiply
    28,660.26x = 39,549.04 × 16,561.29
  4. Step 4: Simplify right side
    28,660.26x = 654,983,120.66
  5. Step 5: Solve for x
    x = 654,983,120.66/28,660.26
  6. Step 6: Final answer
    x = 22,853.36

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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.