Home / 28,055.06-38,720.99-16,725.29

Finding the Fourth Proportional to 28,055.06, 38,720.99 and 16,725.29

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Solution

The fourth proportional to 28,055.06, 38,720.99 and 16,725.29 is: 23,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.06 : 38,720.99 = 16,725.29 : x
  2. Step 2: Convert to fraction form
    28,055.06/38,720.99 = 16,725.29/x
  3. Step 3: Cross multiply
    28,055.06x = 38,720.99 × 16,725.29
  4. Step 4: Simplify right side
    28,055.06x = 647,619,509.61
  5. Step 5: Solve for x
    x = 647,619,509.61/28,055.06
  6. Step 6: Final answer
    x = 23,083.88

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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.