Home / 28,327.77-39,090.33-16,226.82

Finding the Fourth Proportional to 28,327.77, 39,090.33 and 16,226.82

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Solution

The fourth proportional to 28,327.77, 39,090.33 and 16,226.82 is: 22,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.77 : 39,090.33 = 16,226.82 : x
  2. Step 2: Convert to fraction form
    28,327.77/39,090.33 = 16,226.82/x
  3. Step 3: Cross multiply
    28,327.77x = 39,090.33 × 16,226.82
  4. Step 4: Simplify right side
    28,327.77x = 634,311,748.65
  5. Step 5: Solve for x
    x = 634,311,748.65/28,327.77
  6. Step 6: Final answer
    x = 22,391.87

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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.