Home / 28,090.77-42,122.30-14,939.61

Finding the Fourth Proportional to 28,090.77, 42,122.30 and 14,939.61

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Solution

The fourth proportional to 28,090.77, 42,122.30 and 14,939.61 is: 22,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090.77 : 42,122.30 = 14,939.61 : x
  2. Step 2: Convert to fraction form
    28,090.77/42,122.30 = 14,939.61/x
  3. Step 3: Cross multiply
    28,090.77x = 42,122.30 × 14,939.61
  4. Step 4: Simplify right side
    28,090.77x = 629,290,659.60
  5. Step 5: Solve for x
    x = 629,290,659.60/28,090.77
  6. Step 6: Final answer
    x = 22,402.04

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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.