Home / 28,227.06-38,958.40-16,288.74

Finding the Fourth Proportional to 28,227.06, 38,958.40 and 16,288.74

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Solution

The fourth proportional to 28,227.06, 38,958.40 and 16,288.74 is: 22,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.06 : 38,958.40 = 16,288.74 : x
  2. Step 2: Convert to fraction form
    28,227.06/38,958.40 = 16,288.74/x
  3. Step 3: Cross multiply
    28,227.06x = 38,958.40 × 16,288.74
  4. Step 4: Simplify right side
    28,227.06x = 634,583,248.42
  5. Step 5: Solve for x
    x = 634,583,248.42/28,227.06
  6. Step 6: Final answer
    x = 22,481.38

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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.