Home / 28,952.28-39,953.70-16,205.80

Finding the Fourth Proportional to 28,952.28, 39,953.70 and 16,205.80

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Solution

The fourth proportional to 28,952.28, 39,953.70 and 16,205.80 is: 22,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.28 : 39,953.70 = 16,205.80 : x
  2. Step 2: Convert to fraction form
    28,952.28/39,953.70 = 16,205.80/x
  3. Step 3: Cross multiply
    28,952.28x = 39,953.70 × 16,205.80
  4. Step 4: Simplify right side
    28,952.28x = 647,481,671.46
  5. Step 5: Solve for x
    x = 647,481,671.46/28,952.28
  6. Step 6: Final answer
    x = 22,363.75

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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.