Home / 20,892.33-28,768.37-18,054.50

Finding the Fourth Proportional to 20,892.33, 28,768.37 and 18,054.50

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Solution

The fourth proportional to 20,892.33, 28,768.37 and 18,054.50 is: 24,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892.33 : 28,768.37 = 18,054.50 : x
  2. Step 2: Convert to fraction form
    20,892.33/28,768.37 = 18,054.50/x
  3. Step 3: Cross multiply
    20,892.33x = 28,768.37 × 18,054.50
  4. Step 4: Simplify right side
    20,892.33x = 519,398,302.05
  5. Step 5: Solve for x
    x = 519,398,302.05/20,892.33
  6. Step 6: Final answer
    x = 24,860.72

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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.