Home / 28,090.35-42,122.84-14,939.91

Finding the Fourth Proportional to 28,090.35, 42,122.84 and 14,939.91

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Solution

The fourth proportional to 28,090.35, 42,122.84 and 14,939.91 is: 22,403.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090.35 : 42,122.84 = 14,939.91 : x
  2. Step 2: Convert to fraction form
    28,090.35/42,122.84 = 14,939.91/x
  3. Step 3: Cross multiply
    28,090.35x = 42,122.84 × 14,939.91
  4. Step 4: Simplify right side
    28,090.35x = 629,311,363.84
  5. Step 5: Solve for x
    x = 629,311,363.84/28,090.35
  6. Step 6: Final answer
    x = 22,403.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.