Home / 28,337.68-39,103.58-16,401.76

Finding the Fourth Proportional to 28,337.68, 39,103.58 and 16,401.76

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Solution

The fourth proportional to 28,337.68, 39,103.58 and 16,401.76 is: 22,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.68 : 39,103.58 = 16,401.76 : x
  2. Step 2: Convert to fraction form
    28,337.68/39,103.58 = 16,401.76/x
  3. Step 3: Cross multiply
    28,337.68x = 39,103.58 × 16,401.76
  4. Step 4: Simplify right side
    28,337.68x = 641,367,534.30
  5. Step 5: Solve for x
    x = 641,367,534.30/28,337.68
  6. Step 6: Final answer
    x = 22,633.03

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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.