Home / 28,750.12-39,677.22-16,176.04

Finding the Fourth Proportional to 28,750.12, 39,677.22 and 16,176.04

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Solution

The fourth proportional to 28,750.12, 39,677.22 and 16,176.04 is: 22,324.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.12 : 39,677.22 = 16,176.04 : x
  2. Step 2: Convert to fraction form
    28,750.12/39,677.22 = 16,176.04/x
  3. Step 3: Cross multiply
    28,750.12x = 39,677.22 × 16,176.04
  4. Step 4: Simplify right side
    28,750.12x = 641,820,297.81
  5. Step 5: Solve for x
    x = 641,820,297.81/28,750.12
  6. Step 6: Final answer
    x = 22,324.09

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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.