Home / 28,776.26-39,711.94-16,202.18

Finding the Fourth Proportional to 28,776.26, 39,711.94 and 16,202.18

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Solution

The fourth proportional to 28,776.26, 39,711.94 and 16,202.18 is: 22,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776.26 : 39,711.94 = 16,202.18 : x
  2. Step 2: Convert to fraction form
    28,776.26/39,711.94 = 16,202.18/x
  3. Step 3: Cross multiply
    28,776.26x = 39,711.94 × 16,202.18
  4. Step 4: Simplify right side
    28,776.26x = 643,420,000.03
  5. Step 5: Solve for x
    x = 643,420,000.03/28,776.26
  6. Step 6: Final answer
    x = 22,359.40

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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.