Home / 28,519.25-39,356.30-15,773.00

Finding the Fourth Proportional to 28,519.25, 39,356.30 and 15,773.00

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Solution

The fourth proportional to 28,519.25, 39,356.30 and 15,773.00 is: 21,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.25 : 39,356.30 = 15,773.00 : x
  2. Step 2: Convert to fraction form
    28,519.25/39,356.30 = 15,773.00/x
  3. Step 3: Cross multiply
    28,519.25x = 39,356.30 × 15,773.00
  4. Step 4: Simplify right side
    28,519.25x = 620,766,644.25
  5. Step 5: Solve for x
    x = 620,766,644.25/28,519.25
  6. Step 6: Final answer
    x = 21,766.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.