Home / 28,601.83-39,474.39-16,668.91

Finding the Fourth Proportional to 28,601.83, 39,474.39 and 16,668.91

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Solution

The fourth proportional to 28,601.83, 39,474.39 and 16,668.91 is: 23,005.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601.83 : 39,474.39 = 16,668.91 : x
  2. Step 2: Convert to fraction form
    28,601.83/39,474.39 = 16,668.91/x
  3. Step 3: Cross multiply
    28,601.83x = 39,474.39 × 16,668.91
  4. Step 4: Simplify right side
    28,601.83x = 657,995,054.21
  5. Step 5: Solve for x
    x = 657,995,054.21/28,601.83
  6. Step 6: Final answer
    x = 23,005.35

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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.