Home / 28,752.57-39,675.83-16,176.51

Finding the Fourth Proportional to 28,752.57, 39,675.83 and 16,176.51

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Solution

The fourth proportional to 28,752.57, 39,675.83 and 16,176.51 is: 22,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752.57 : 39,675.83 = 16,176.51 : x
  2. Step 2: Convert to fraction form
    28,752.57/39,675.83 = 16,176.51/x
  3. Step 3: Cross multiply
    28,752.57x = 39,675.83 × 16,176.51
  4. Step 4: Simplify right side
    28,752.57x = 641,816,379.87
  5. Step 5: Solve for x
    x = 641,816,379.87/28,752.57
  6. Step 6: Final answer
    x = 22,322.05

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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.