Home / 28,235.96-38,961.18-16,297.07

Finding the Fourth Proportional to 28,235.96, 38,961.18 and 16,297.07

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Solution

The fourth proportional to 28,235.96, 38,961.18 and 16,297.07 is: 22,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,235.96 : 38,961.18 = 16,297.07 : x
  2. Step 2: Convert to fraction form
    28,235.96/38,961.18 = 16,297.07/x
  3. Step 3: Cross multiply
    28,235.96x = 38,961.18 × 16,297.07
  4. Step 4: Simplify right side
    28,235.96x = 634,952,882.94
  5. Step 5: Solve for x
    x = 634,952,882.94/28,235.96
  6. Step 6: Final answer
    x = 22,487.39

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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.