Home / 28,748.94-39,673.20-16,001.90

Finding the Fourth Proportional to 28,748.94, 39,673.20 and 16,001.90

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Solution

The fourth proportional to 28,748.94, 39,673.20 and 16,001.90 is: 22,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.94 : 39,673.20 = 16,001.90 : x
  2. Step 2: Convert to fraction form
    28,748.94/39,673.20 = 16,001.90/x
  3. Step 3: Cross multiply
    28,748.94x = 39,673.20 × 16,001.90
  4. Step 4: Simplify right side
    28,748.94x = 634,846,380.71
  5. Step 5: Solve for x
    x = 634,846,380.71/28,748.94
  6. Step 6: Final answer
    x = 22,082.43

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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.