Home / 28,244.39-42,365.52-8,522.42

Finding the Fourth Proportional to 28,244.39, 42,365.52 and 8,522.42

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Solution

The fourth proportional to 28,244.39, 42,365.52 and 8,522.42 is: 12,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.39 : 42,365.52 = 8,522.42 : x
  2. Step 2: Convert to fraction form
    28,244.39/42,365.52 = 8,522.42/x
  3. Step 3: Cross multiply
    28,244.39x = 42,365.52 × 8,522.42
  4. Step 4: Simplify right side
    28,244.39x = 361,056,754.96
  5. Step 5: Solve for x
    x = 361,056,754.96/28,244.39
  6. Step 6: Final answer
    x = 12,783.31

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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.