Home / 28,932.96-39,927.60-18,311.52

Finding the Fourth Proportional to 28,932.96, 39,927.60 and 18,311.52

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Solution

The fourth proportional to 28,932.96, 39,927.60 and 18,311.52 is: 25,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.96 : 39,927.60 = 18,311.52 : x
  2. Step 2: Convert to fraction form
    28,932.96/39,927.60 = 18,311.52/x
  3. Step 3: Cross multiply
    28,932.96x = 39,927.60 × 18,311.52
  4. Step 4: Simplify right side
    28,932.96x = 731,135,045.95
  5. Step 5: Solve for x
    x = 731,135,045.95/28,932.96
  6. Step 6: Final answer
    x = 25,269.97

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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.