Home / 28,256.58-42,383.62-8,534.53

Finding the Fourth Proportional to 28,256.58, 42,383.62 and 8,534.53

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Solution

The fourth proportional to 28,256.58, 42,383.62 and 8,534.53 is: 12,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.58 : 42,383.62 = 8,534.53 : x
  2. Step 2: Convert to fraction form
    28,256.58/42,383.62 = 8,534.53/x
  3. Step 3: Cross multiply
    28,256.58x = 42,383.62 × 8,534.53
  4. Step 4: Simplify right side
    28,256.58x = 361,724,340.05
  5. Step 5: Solve for x
    x = 361,724,340.05/28,256.58
  6. Step 6: Final answer
    x = 12,801.42

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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.