Home / 28,594.80-39,464.76-16,661.88

Finding the Fourth Proportional to 28,594.80, 39,464.76 and 16,661.88

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Solution

The fourth proportional to 28,594.80, 39,464.76 and 16,661.88 is: 22,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.80 : 39,464.76 = 16,661.88 : x
  2. Step 2: Convert to fraction form
    28,594.80/39,464.76 = 16,661.88/x
  3. Step 3: Cross multiply
    28,594.80x = 39,464.76 × 16,661.88
  4. Step 4: Simplify right side
    28,594.80x = 657,557,095.35
  5. Step 5: Solve for x
    x = 657,557,095.35/28,594.80
  6. Step 6: Final answer
    x = 22,995.69

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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.