Home / 28,902.78-43,359.66-16,436.88

Finding the Fourth Proportional to 28,902.78, 43,359.66 and 16,436.88

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Solution

The fourth proportional to 28,902.78, 43,359.66 and 16,436.88 is: 24,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.78 : 43,359.66 = 16,436.88 : x
  2. Step 2: Convert to fraction form
    28,902.78/43,359.66 = 16,436.88/x
  3. Step 3: Cross multiply
    28,902.78x = 43,359.66 × 16,436.88
  4. Step 4: Simplify right side
    28,902.78x = 712,697,528.26
  5. Step 5: Solve for x
    x = 712,697,528.26/28,902.78
  6. Step 6: Final answer
    x = 24,658.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.