Home / 28,361.49-42,548.58-8,641.59

Finding the Fourth Proportional to 28,361.49, 42,548.58 and 8,641.59

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Solution

The fourth proportional to 28,361.49, 42,548.58 and 8,641.59 is: 12,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.49 : 42,548.58 = 8,641.59 : x
  2. Step 2: Convert to fraction form
    28,361.49/42,548.58 = 8,641.59/x
  3. Step 3: Cross multiply
    28,361.49x = 42,548.58 × 8,641.59
  4. Step 4: Simplify right side
    28,361.49x = 367,687,383.44
  5. Step 5: Solve for x
    x = 367,687,383.44/28,361.49
  6. Step 6: Final answer
    x = 12,964.32

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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.