Home / 28,952.11-39,955.68-16,205.05

Finding the Fourth Proportional to 28,952.11, 39,955.68 and 16,205.05

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Solution

The fourth proportional to 28,952.11, 39,955.68 and 16,205.05 is: 22,363.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.11 : 39,955.68 = 16,205.05 : x
  2. Step 2: Convert to fraction form
    28,952.11/39,955.68 = 16,205.05/x
  3. Step 3: Cross multiply
    28,952.11x = 39,955.68 × 16,205.05
  4. Step 4: Simplify right side
    28,952.11x = 647,483,792.18
  5. Step 5: Solve for x
    x = 647,483,792.18/28,952.11
  6. Step 6: Final answer
    x = 22,363.96

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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.