Home / 28,942.04-39,939.86-16,195.24

Finding the Fourth Proportional to 28,942.04, 39,939.86 and 16,195.24

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Solution

The fourth proportional to 28,942.04, 39,939.86 and 16,195.24 is: 22,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.04 : 39,939.86 = 16,195.24 : x
  2. Step 2: Convert to fraction form
    28,942.04/39,939.86 = 16,195.24/x
  3. Step 3: Cross multiply
    28,942.04x = 39,939.86 × 16,195.24
  4. Step 4: Simplify right side
    28,942.04x = 646,835,618.27
  5. Step 5: Solve for x
    x = 646,835,618.27/28,942.04
  6. Step 6: Final answer
    x = 22,349.34

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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.