Home / 28,055.63-38,721.77-16,725.86

Finding the Fourth Proportional to 28,055.63, 38,721.77 and 16,725.86

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Solution

The fourth proportional to 28,055.63, 38,721.77 and 16,725.86 is: 23,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.63 : 38,721.77 = 16,725.86 : x
  2. Step 2: Convert to fraction form
    28,055.63/38,721.77 = 16,725.86/x
  3. Step 3: Cross multiply
    28,055.63x = 38,721.77 × 16,725.86
  4. Step 4: Simplify right side
    28,055.63x = 647,654,626.73
  5. Step 5: Solve for x
    x = 647,654,626.73/28,055.63
  6. Step 6: Final answer
    x = 23,084.66

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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.