Home / 28,256.38-42,383.54-8,534.43

Finding the Fourth Proportional to 28,256.38, 42,383.54 and 8,534.43

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Solution

The fourth proportional to 28,256.38, 42,383.54 and 8,534.43 is: 12,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.38 : 42,383.54 = 8,534.43 : x
  2. Step 2: Convert to fraction form
    28,256.38/42,383.54 = 8,534.43/x
  3. Step 3: Cross multiply
    28,256.38x = 42,383.54 × 8,534.43
  4. Step 4: Simplify right side
    28,256.38x = 361,719,355.28
  5. Step 5: Solve for x
    x = 361,719,355.28/28,256.38
  6. Step 6: Final answer
    x = 12,801.33

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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.