Home / 28,752.88-39,677.46-16,178.44

Finding the Fourth Proportional to 28,752.88, 39,677.46 and 16,178.44

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Solution

The fourth proportional to 28,752.88, 39,677.46 and 16,178.44 is: 22,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752.88 : 39,677.46 = 16,178.44 : x
  2. Step 2: Convert to fraction form
    28,752.88/39,677.46 = 16,178.44/x
  3. Step 3: Cross multiply
    28,752.88x = 39,677.46 × 16,178.44
  4. Step 4: Simplify right side
    28,752.88x = 641,919,405.96
  5. Step 5: Solve for x
    x = 641,919,405.96/28,752.88
  6. Step 6: Final answer
    x = 22,325.40

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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.