Home / 28,824.87-39,780.15-16,250.43

Finding the Fourth Proportional to 28,824.87, 39,780.15 and 16,250.43

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Solution

The fourth proportional to 28,824.87, 39,780.15 and 16,250.43 is: 22,426.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.87 : 39,780.15 = 16,250.43 : x
  2. Step 2: Convert to fraction form
    28,824.87/39,780.15 = 16,250.43/x
  3. Step 3: Cross multiply
    28,824.87x = 39,780.15 × 16,250.43
  4. Step 4: Simplify right side
    28,824.87x = 646,444,542.96
  5. Step 5: Solve for x
    x = 646,444,542.96/28,824.87
  6. Step 6: Final answer
    x = 22,426.62

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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.