Home / 28,273.38-39,014.51-16,335.06

Finding the Fourth Proportional to 28,273.38, 39,014.51 and 16,335.06

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Solution

The fourth proportional to 28,273.38, 39,014.51 and 16,335.06 is: 22,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273.38 : 39,014.51 = 16,335.06 : x
  2. Step 2: Convert to fraction form
    28,273.38/39,014.51 = 16,335.06/x
  3. Step 3: Cross multiply
    28,273.38x = 39,014.51 × 16,335.06
  4. Step 4: Simplify right side
    28,273.38x = 637,304,280.05
  5. Step 5: Solve for x
    x = 637,304,280.05/28,273.38
  6. Step 6: Final answer
    x = 22,540.79

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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.