Home / 28,447.31-42,671.00-9,727.53

Finding the Fourth Proportional to 28,447.31, 42,671.00 and 9,727.53

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Solution

The fourth proportional to 28,447.31, 42,671.00 and 9,727.53 is: 14,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447.31 : 42,671.00 = 9,727.53 : x
  2. Step 2: Convert to fraction form
    28,447.31/42,671.00 = 9,727.53/x
  3. Step 3: Cross multiply
    28,447.31x = 42,671.00 × 9,727.53
  4. Step 4: Simplify right side
    28,447.31x = 415,083,383.99
  5. Step 5: Solve for x
    x = 415,083,383.99/28,447.31
  6. Step 6: Final answer
    x = 14,591.31

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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.